13975974 has 24 divisors (see below), whose sum is σ = 30365400. Its totient is φ = 4645728.

The previous prime is 13975961. The next prime is 13975981. The reversal of 13975974 is 47957931.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7377 + ... + 9075.

It is an arithmetic number, because the mean of its divisors is an integer number (1265225).

Almost surely, 2^13975974 is an apocalyptic number.

13975974 is an abundant number, since it is smaller than the sum of its proper divisors (16389426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13975974 is a wasteful number, since it uses less digits than its factorization.

13975974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164 (or 2161 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 13975974 is about 3738.4453988256. The cubic root of 13975974 is about 240.8762758587.

The spelling of 13975974 in words is "thirteen million, nine hundred seventy-five thousand, nine hundred seventy-four".