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12693750 = 2355677
BaseRepresentation
bin110000011011…
…000011110110
3212212220112220
4300123003312
511222200000
61132023210
7212616006
oct60330366
925786486
1012693750
117190003
124301b06
1328259c4
141986006
1511ab1a0
hexc1b0f6

12693750 has 48 divisors (see below), whose sum is σ = 31779216. Its totient is φ = 3380000.

The previous prime is 12693749. The next prime is 12693761. The reversal of 12693750 is 5739621.

12693750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×126937502 = 322262578125000, which contains 22 as substring.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18412 + ... + 19088.

It is an arithmetic number, because the mean of its divisors is an integer number (662067).

Almost surely, 212693750 is an apocalyptic number.

12693750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12693750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15889608).

12693750 is an abundant number, since it is smaller than the sum of its proper divisors (19085466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12693750 is an frugal number, since it uses more digits than its factorization.

12693750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 12693750 is about 3562.8289321830. The cubic root of 12693750 is about 233.2723763670.

The spelling of 12693750 in words is "twelve million, six hundred ninety-three thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 625 677 750 1250 1354 1875 2031 3125 3385 3750 4062 6250 6770 9375 10155 16925 18750 20310 33850 50775 84625 101550 169250 253875 423125 507750 846250 1269375 2115625 2538750 4231250 6346875 12693750