13937990 has 24 divisors (see below), whose sum is σ = 27578880. Its totient is φ = 5067920.

The previous prime is 13937953. The next prime is 13937999. The reversal of 13937990 is 9973931.

13937990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13937999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4550 + ... + 6969.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^13937990 is an apocalyptic number.

13937990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13937990 is a deficient number, since it is larger than the sum of its proper divisors (13640890).

13937990 is a wasteful number, since it uses less digits than its factorization.

13937990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11548 (or 11537 counting only the distinct ones).

The product of its (nonzero) digits is 45927, while the sum is 41.

The square root of 13937990 is about 3733.3617558442. The cubic root of 13937990 is about 240.6578594581.

The spelling of 13937990 in words is "thirteen million, nine hundred thirty-seven thousand, nine hundred ninety".