12974726 has 16 divisors (see below), whose sum is σ = 20127744. Its totient is φ = 6269064.

The previous prime is 12974719. The next prime is 12974729. The reversal of 12974726 is 62747921.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12974726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12974729) 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, 6971 + ... + 8633.

It is an arithmetic number, because the mean of its divisors is an integer number (1257984).

Almost surely, 2^12974726 is an apocalyptic number.

12974726 is a deficient number, since it is larger than the sum of its proper divisors (7153018).

12974726 is a wasteful number, since it uses less digits than its factorization.

12974726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795.

The product of its digits is 42336, while the sum is 38.

The square root of 12974726 is about 3602.0446971130. The cubic root of 12974726 is about 234.9809913703.

The spelling of 12974726 in words is "twelve million, nine hundred seventy-four thousand, seven hundred twenty-six".