13790390 has 32 divisors (see below), whose sum is σ = 26339040. Its totient is φ = 5184000.

The previous prime is 13790389. The next prime is 13790419. The reversal of 13790390 is 9309731.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 34190 + ... + 34590.

It is an arithmetic number, because the mean of its divisors is an integer number (823095).

Almost surely, 2^13790390 is an apocalyptic number.

13790390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13790390 is a deficient number, since it is larger than the sum of its proper divisors (12548650).

13790390 is a wasteful number, since it uses less digits than its factorization.

13790390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 13790390 is about 3713.5414364189. The cubic root of 13790390 is about 239.8053398421.

The spelling of 13790390 in words is "thirteen million, seven hundred ninety thousand, three hundred ninety".