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12693500 = 225353479
BaseRepresentation
bin110000011010…
…111111111100
3212212220012122
4300122333330
511222143000
61132022112
7212615201
oct60327774
925786178
1012693500
11718a8a6
124301938
132825861
141985ca8
1511ab085
hexc1affc

12693500 has 48 divisors (see below), whose sum is σ = 28304640. Its totient is φ = 4971200.

The previous prime is 12693497. The next prime is 12693533. The reversal of 12693500 is 539621.

It is a super-2 number, since 2×126935002 = 322249884500000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12693500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26261 + ... + 26739.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 212693500 is an apocalyptic number.

12693500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12693500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14152320).

12693500 is an abundant number, since it is smaller than the sum of its proper divisors (15611140).

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

12693500 is a wasteful number, since it uses less digits than its factorization.

12693500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 12693500 is about 3562.7938475303. The cubic root of 12693500 is about 233.2708449446.

The spelling of 12693500 in words is "twelve million, six hundred ninety-three thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 53 100 106 125 212 250 265 479 500 530 958 1060 1325 1916 2395 2650 4790 5300 6625 9580 11975 13250 23950 25387 26500 47900 50774 59875 101548 119750 126935 239500 253870 507740 634675 1269350 2538700 3173375 6346750 12693500