12999974 has 24 divisors (see below), whose sum is σ = 21849408. Its totient is φ = 5760720.

The previous prime is 12999967. The next prime is 12999977. The reversal of 12999974 is 47999921.

12999974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12999977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102299 + ... + 102425.

It is an arithmetic number, because the mean of its divisors is an integer number (910392).

Almost surely, 2^12999974 is an apocalyptic number.

12999974 is a deficient number, since it is larger than the sum of its proper divisors (8849434).

12999974 is a wasteful number, since it uses less digits than its factorization.

12999974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 173 counting only the distinct ones).

The product of its digits is 367416, while the sum is 50.

The square root of 12999974 is about 3605.5476699109. The cubic root of 12999974 is about 235.1333120163.

The spelling of 12999974 in words is "twelve million, nine hundred ninety-nine thousand, nine hundred seventy-four".