12956630 has 16 divisors (see below), whose sum is σ = 23541840. Its totient is φ = 5133792.

The previous prime is 12956627. The next prime is 12956641. The reversal of 12956630 is 3665921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4985 + ... + 7124.

It is an arithmetic number, because the mean of its divisors is an integer number (1471365).

Almost surely, 2^12956630 is an apocalyptic number.

12956630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12956630 is a deficient number, since it is larger than the sum of its proper divisors (10585210).

12956630 is a wasteful number, since it uses less digits than its factorization.

12956630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12223.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 12956630 is about 3599.5319140133. The cubic root of 12956630 is about 234.8716969768.

The spelling of 12956630 in words is "twelve million, nine hundred fifty-six thousand, six hundred thirty".