12956949 has 16 divisors (see below), whose sum is σ = 19512640. Its totient is φ = 8495280.

The previous prime is 12956947. The next prime is 12956953. The reversal of 12956949 is 94965921.

12956949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12956949 - 2¹ = 12956947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12956947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2287 + ... + 5580.

It is an arithmetic number, because the mean of its divisors is an integer number (1219540).

Almost surely, 2^12956949 is an apocalyptic number.

It is an amenable number.

12956949 is a deficient number, since it is larger than the sum of its proper divisors (6555691).

12956949 is an equidigital number, since it uses as much as digits as its factorization.

12956949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7937 (or 7931 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 12956949 is about 3599.5762250576. The cubic root of 12956949 is about 234.8736245217.

The spelling of 12956949 in words is "twelve million, nine hundred fifty-six thousand, nine hundred forty-nine".