12956650 has 24 divisors (see below), whose sum is σ = 27542880. Its totient is φ = 4442160.

The previous prime is 12956641. The next prime is 12956663. The reversal of 12956650 is 5665921.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18160 + ... + 18859.

It is an arithmetic number, because the mean of its divisors is an integer number (1147620).

Almost surely, 2^12956650 is an apocalyptic number.

12956650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12956650 is an abundant number, since it is smaller than the sum of its proper divisors (14586230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12956650 is a wasteful number, since it uses less digits than its factorization.

12956650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37038 (or 37033 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 12956650 is about 3599.5346921512. The cubic root of 12956650 is about 234.8718178270.

The spelling of 12956650 in words is "twelve million, nine hundred fifty-six thousand, six hundred fifty".