13811368 has 16 divisors (see below), whose sum is σ = 26732160. Its totient is φ = 6682800.

The previous prime is 13811359. The next prime is 13811387. The reversal of 13811368 is 86311831.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 27598 + ... + 28093.

It is an arithmetic number, because the mean of its divisors is an integer number (1670760).

Almost surely, 2^13811368 is an apocalyptic number.

It is an amenable number.

13811368 is a deficient number, since it is larger than the sum of its proper divisors (12920792).

13811368 is a wasteful number, since it uses less digits than its factorization.

13811368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55728 (or 55724 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 13811368 is about 3716.3648905887. The cubic root of 13811368 is about 239.9268758707.

The spelling of 13811368 in words is "thirteen million, eight hundred eleven thousand, three hundred sixty-eight".