12977325 has 36 divisors (see below), whose sum is σ = 23469108. Its totient is φ = 6854400.

The previous prime is 12977317. The next prime is 12977329. The reversal of 12977325 is 52377921.

It can be written as a sum of positive squares in 6 ways, for example, as 2518569 + 10458756 = 1587^2 + 3234^2 .

It is not a de Polignac number, because 12977325 - 2³ = 12977317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12977325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12977329) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30615 + ... + 31035.

Almost surely, 2^12977325 is an apocalyptic number.

12977325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12977325 is a deficient number, since it is larger than the sum of its proper divisors (10491783).

12977325 is a wasteful number, since it uses less digits than its factorization.

12977325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 566 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 12977325 is about 3602.4054463650. The cubic root of 12977325 is about 234.9966802006.

The spelling of 12977325 in words is "twelve million, nine hundred seventy-seven thousand, three hundred twenty-five".