12977630 has 32 divisors (see below), whose sum is σ = 25020576. Its totient is φ = 4829184.

The previous prime is 12977617. The next prime is 12977651. The reversal of 12977630 is 3677921.

12977630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16097 + ... + 16883.

It is an arithmetic number, because the mean of its divisors is an integer number (781893).

Almost surely, 2^12977630 is an apocalyptic number.

12977630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12977630 is a deficient number, since it is larger than the sum of its proper divisors (12042946).

12977630 is a wasteful number, since it uses less digits than its factorization.

12977630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 12977630 is about 3602.4477789414. The cubic root of 12977630 is about 234.9985211918.

The spelling of 12977630 in words is "twelve million, nine hundred seventy-seven thousand, six hundred thirty".