12977375 has 32 divisors (see below), whose sum is σ = 17791488. Its totient is φ = 9408000.

The previous prime is 12977369. The next prime is 12977381. The reversal of 12977375 is 57377921.

12977375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12977369) and next prime (12977381).

It is not a de Polignac number, because 12977375 - 2⁸ = 12977119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65777 + ... + 65973.

It is an arithmetic number, because the mean of its divisors is an integer number (555984).

Almost surely, 2^12977375 is an apocalyptic number.

12977375 is a deficient number, since it is larger than the sum of its proper divisors (4814113).

12977375 is a wasteful number, since it uses less digits than its factorization.

12977375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 250 counting only the distinct ones).

The product of its digits is 92610, while the sum is 41.

The square root of 12977375 is about 3602.4123861657. The cubic root of 12977375 is about 234.9969820044.

The spelling of 12977375 in words is "twelve million, nine hundred seventy-seven thousand, three hundred seventy-five".