12972694 has 32 divisors (see below), whose sum is σ = 23334912. Its totient is φ = 5292000.

The previous prime is 12972689. The next prime is 12972697. The reversal of 12972694 is 49627921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12972697) 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 15 ways as a sum of consecutive naturals, for example, 30604 + ... + 31024.

It is an arithmetic number, because the mean of its divisors is an integer number (729216).

Almost surely, 2^12972694 is an apocalyptic number.

12972694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12972694 is a deficient number, since it is larger than the sum of its proper divisors (10362218).

12972694 is a wasteful number, since it uses less digits than its factorization.

12972694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532.

The product of its digits is 54432, while the sum is 40.

The square root of 12972694 is about 3601.7626240495. The cubic root of 12972694 is about 234.9687237688.

The spelling of 12972694 in words is "twelve million, nine hundred seventy-two thousand, six hundred ninety-four".