Search a number
-
+
12715572 = 2232961599
BaseRepresentation
bin110000100000…
…011000110100
3212221000111010
4300200120310
511223344242
61132312220
7213036432
oct60403064
925830433
1012715572
1171a5441
124312670
13283290c
14198dd52
1511b289c
hexc20634

12715572 has 48 divisors (see below), whose sum is σ = 31248000. Its totient is φ = 4018560.

The previous prime is 12715561. The next prime is 12715583. The reversal of 12715572 is 27551721.

It is an interprime number because it is at equal distance from previous prime (12715561) and next prime (12715583).

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, 20929 + ... + 21527.

It is an arithmetic number, because the mean of its divisors is an integer number (651000).

Almost surely, 212715572 is an apocalyptic number.

12715572 is a gapful number since it is divisible by the number (12) 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 12715572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15624000).

12715572 is an abundant number, since it is smaller than the sum of its proper divisors (18532428).

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

12715572 is a wasteful number, since it uses less digits than its factorization.

12715572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 694 counting only the distinct ones).

The product of its digits is 4900, while the sum is 30.

The square root of 12715572 is about 3565.8900712164. The cubic root of 12715572 is about 233.4059737554.

The spelling of 12715572 in words is "twelve million, seven hundred fifteen thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 29 58 61 87 116 122 174 183 244 348 366 599 732 1198 1769 1797 2396 3538 3594 5307 7076 7188 10614 17371 21228 34742 36539 52113 69484 73078 104226 109617 146156 208452 219234 438468 1059631 2119262 3178893 4238524 6357786 12715572