13923874 has 8 divisors (see below), whose sum is σ = 21172140. Its totient is φ = 6866496.

The previous prime is 13923863. The next prime is 13923893. The reversal of 13923874 is 47832931.

It can be written as a sum of positive squares in 2 ways, for example, as 13213225 + 710649 = 3635^2 + 843^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 47539 + ... + 47830.

Almost surely, 2^13923874 is an apocalyptic number.

13923874 is a deficient number, since it is larger than the sum of its proper divisors (7248266).

13923874 is an equidigital number, since it uses as much as digits as its factorization.

13923874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95444.

The product of its digits is 36288, while the sum is 37.

The square root of 13923874 is about 3731.4707556137. The cubic root of 13923874 is about 240.5765882029.

The spelling of 13923874 in words is "thirteen million, nine hundred twenty-three thousand, eight hundred seventy-four".