12951994 has 16 divisors (see below), whose sum is σ = 22441536. Its totient is φ = 5540800.

The previous prime is 12951979. The next prime is 12951997. The reversal of 12951994 is 49915921.

12951994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12951997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16942 + ... + 17689.

It is an arithmetic number, because the mean of its divisors is an integer number (1402596).

Almost surely, 2^12951994 is an apocalyptic number.

12951994 is a deficient number, since it is larger than the sum of its proper divisors (9489542).

12951994 is a wasteful number, since it uses less digits than its factorization.

12951994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34661.

The product of its digits is 29160, while the sum is 40.

The square root of 12951994 is about 3598.8878837774. The cubic root of 12951994 is about 234.8436805589.

The spelling of 12951994 in words is "twelve million, nine hundred fifty-one thousand, nine hundred ninety-four".