12577532 has 24 divisors (see below), whose sum is σ = 24842160. Its totient is φ = 5519360.

The previous prime is 12577531. The next prime is 12577567. The reversal of 12577532 is 23577521.

It is a super-2 number, since 2×12577532² = 316388622422048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12577531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3653 + ... + 6204.

It is an arithmetic number, because the mean of its divisors is an integer number (1035090).

Almost surely, 2^12577532 is an apocalyptic number.

It is an amenable number.

12577532 is a deficient number, since it is larger than the sum of its proper divisors (12264628).

12577532 is a wasteful number, since it uses less digits than its factorization.

12577532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9901 (or 9899 counting only the distinct ones).

The product of its digits is 14700, while the sum is 32.

The square root of 12577532 is about 3546.4816367775. The cubic root of 12577532 is about 232.5582819165.

The spelling of 12577532 in words is "twelve million, five hundred seventy-seven thousand, five hundred thirty-two".