12971794 has 16 divisors (see below), whose sum is σ = 22344480. Its totient is φ = 5585760.

The previous prime is 12971743. The next prime is 12971797. The reversal of 12971794 is 49717921.

It is not an unprimeable number, because it can be changed into a prime (12971797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15099 + ... + 15934.

It is an arithmetic number, because the mean of its divisors is an integer number (1396530).

Almost surely, 2^12971794 is an apocalyptic number.

12971794 is a deficient number, since it is larger than the sum of its proper divisors (9372686).

12971794 is a wasteful number, since it uses less digits than its factorization.

12971794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31065.

The product of its digits is 31752, while the sum is 40.

The square root of 12971794 is about 3601.6376830548. The cubic root of 12971794 is about 234.9632898746.

The spelling of 12971794 in words is "twelve million, nine hundred seventy-one thousand, seven hundred ninety-four".