13933090 has 16 divisors (see below), whose sum is σ = 25758072. Its totient is φ = 5422464.

The previous prime is 13933067. The next prime is 13933109. The reversal of 13933090 is 9033931.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13860729 + 72361 = 3723^2 + 269^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18459 + ... + 19198.

Almost surely, 2^13933090 is an apocalyptic number.

13933090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13933090 is a deficient number, since it is larger than the sum of its proper divisors (11824982).

13933090 is a wasteful number, since it uses less digits than its factorization.

13933090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37701.

The product of its (nonzero) digits is 2187, while the sum is 28.

The square root of 13933090 is about 3732.7054531532. The cubic root of 13933090 is about 240.6296544892.

The spelling of 13933090 in words is "thirteen million, nine hundred thirty-three thousand, ninety".