12512577 has 16 divisors (see below), whose sum is σ = 20800512. Its totient is φ = 6499920.

The previous prime is 12512569. The next prime is 12512579. The reversal of 12512577 is 77521521.

12512577 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12512577 - 2³ = 12512569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12512579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26853 + ... + 27314.

It is an arithmetic number, because the mean of its divisors is an integer number (1300032).

Almost surely, 2^12512577 is an apocalyptic number.

It is an amenable number.

12512577 is a deficient number, since it is larger than the sum of its proper divisors (8287935).

12512577 is a wasteful number, since it uses less digits than its factorization.

12512577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54188.

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

The square root of 12512577 is about 3537.3121151518. The cubic root of 12512577 is about 232.1572519403.

It can be divided in two parts, 1251 and 2577, that added together give a triangular number (3828 = T₈₇).

The spelling of 12512577 in words is "twelve million, five hundred twelve thousand, five hundred seventy-seven".