12577400 has 48 divisors (see below), whose sum is σ = 31906440. Its totient is φ = 4572800.

The previous prime is 12577393. The next prime is 12577403. The reversal of 12577400 is 477521.

It is a self number, because there is not a number n which added to its sum of digits gives 12577400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12577403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 659 + ... + 5058.

Almost surely, 2^12577400 is an apocalyptic number.

12577400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12577400 is an abundant number, since it is smaller than the sum of its proper divisors (19329040).

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

12577400 is a wasteful number, since it uses less digits than its factorization.

12577400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744 (or 5735 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 12577400 is about 3546.4630267352. The cubic root of 12577400 is about 232.5574683547.

The spelling of 12577400 in words is "twelve million, five hundred seventy-seven thousand, four hundred".