12616552 has 16 divisors (see below), whose sum is σ = 25475940. Its totient is φ = 5822976.

The previous prime is 12616547. The next prime is 12616553. The reversal of 12616552 is 25561621.

It can be written as a sum of positive squares in 2 ways, for example, as 12574116 + 42436 = 3546^2 + 206^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12616552.

It is not an unprimeable number, because it can be changed into a prime (12616553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60553 + ... + 60760.

Almost surely, 2^12616552 is an apocalyptic number.

It is an amenable number.

12616552 is an abundant number, since it is smaller than the sum of its proper divisors (12859388).

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

12616552 is a wasteful number, since it uses less digits than its factorization.

12616552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121332 (or 121328 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 12616552 is about 3551.9786035392. The cubic root of 12616552 is about 232.7985266181.

The spelling of 12616552 in words is "twelve million, six hundred sixteen thousand, five hundred fifty-two".