13813442 has 8 divisors (see below), whose sum is σ = 20736000. Its totient is φ = 6901444.

The previous prime is 13813439. The next prime is 13813451. The reversal of 13813442 is 24431831.

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

It is a super-2 number, since 2×13813442² = 381622359774728, which contains 22 as substring.

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, 3359 + ... + 6237.

It is an arithmetic number, because the mean of its divisors is an integer number (2592000).

Almost surely, 2^13813442 is an apocalyptic number.

13813442 is a deficient number, since it is larger than the sum of its proper divisors (6922558).

13813442 is a wasteful number, since it uses less digits than its factorization.

13813442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280.

The product of its digits is 2304, while the sum is 26.

The square root of 13813442 is about 3716.6439162233. The cubic root of 13813442 is about 239.9388849016.

The spelling of 13813442 in words is "thirteen million, eight hundred thirteen thousand, four hundred forty-two".