12575616 has 32 divisors (see below), whose sum is σ = 33405000. Its totient is φ = 4191744.

The previous prime is 12575609. The next prime is 12575617. The reversal of 12575616 is 61657521.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×12575616² = 316292235558912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12575617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15991 + ... + 16758.

Almost surely, 2^12575616 is an apocalyptic number.

12575616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12575616 is an abundant number, since it is smaller than the sum of its proper divisors (20829384).

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

12575616 is an equidigital number, since it uses as much as digits as its factorization.

12575616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32766 (or 32754 counting only the distinct ones).

The product of its digits is 12600, while the sum is 33.

The square root of 12575616 is about 3546.2114996148. The cubic root of 12575616 is about 232.5464723846.

The spelling of 12575616 in words is "twelve million, five hundred seventy-five thousand, six hundred sixteen".