13679974 has 32 divisors (see below), whose sum is σ = 25765632. Its totient is φ = 5292000.

The previous prime is 13679971. The next prime is 13679987. The reversal of 13679974 is 47997631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13679971) 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, 32284 + ... + 32704.

It is an arithmetic number, because the mean of its divisors is an integer number (805176).

Almost surely, 2^13679974 is an apocalyptic number.

13679974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13679974 is a deficient number, since it is larger than the sum of its proper divisors (12085658).

13679974 is a wasteful number, since it uses less digits than its factorization.

13679974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652.

The product of its digits is 285768, while the sum is 46.

The square root of 13679974 is about 3698.6448869823. The cubic root of 13679974 is about 239.1636047690.

The spelling of 13679974 in words is "thirteen million, six hundred seventy-nine thousand, nine hundred seventy-four".