13731974 has 8 divisors (see below), whose sum is σ = 20624520. Its totient is φ = 6857136.

The previous prime is 13731973. The next prime is 13731983. The reversal of 13731974 is 47913731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13731973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2279 + ... + 5714.

It is an arithmetic number, because the mean of its divisors is an integer number (2578065).

Almost surely, 2^13731974 is an apocalyptic number.

13731974 is a deficient number, since it is larger than the sum of its proper divisors (6892546).

13731974 is an equidigital number, since it uses as much as digits as its factorization.

13731974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8854.

The product of its digits is 15876, while the sum is 35.

The square root of 13731974 is about 3705.6678210547. The cubic root of 13731974 is about 239.4662559985.

The spelling of 13731974 in words is "thirteen million, seven hundred thirty-one thousand, nine hundred seventy-four".