13938628 has 24 divisors (see below), whose sum is σ = 28012320. Its totient is φ = 6001920.

The previous prime is 13938581. The next prime is 13938671. The reversal of 13938628 is 82683931.

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 7 ways as a sum of consecutive naturals, for example, 7501 + ... + 9172.

It is an arithmetic number, because the mean of its divisors is an integer number (1167180).

Almost surely, 2^13938628 is an apocalyptic number.

It is an amenable number.

13938628 is an abundant number, since it is smaller than the sum of its proper divisors (14073692).

13938628 is a wasteful number, since it uses less digits than its factorization.

13938628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16707 (or 16705 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 13938628 is about 3733.4472006445. The cubic root of 13938628 is about 240.6615313738.

The spelling of 13938628 in words is "thirteen million, nine hundred thirty-eight thousand, six hundred twenty-eight".