13751938 has 16 divisors (see below), whose sum is σ = 21450240. Its totient is φ = 6606576.

The previous prime is 13751911. The next prime is 13751971. The reversal of 13751938 is 83915731.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 13751897 and 13751906.

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 7 ways as a sum of consecutive naturals, for example, 5023 + ... + 7261.

It is an arithmetic number, because the mean of its divisors is an integer number (1340640).

Almost surely, 2^13751938 is an apocalyptic number.

13751938 is a deficient number, since it is larger than the sum of its proper divisors (7698302).

13751938 is a wasteful number, since it uses less digits than its factorization.

13751938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361.

The product of its digits is 22680, while the sum is 37.

The square root of 13751938 is about 3708.3605542072. The cubic root of 13751938 is about 239.5822478052.

The spelling of 13751938 in words is "thirteen million, seven hundred fifty-one thousand, nine hundred thirty-eight".