13405790 has 16 divisors (see below), whose sum is σ = 24213168. Its totient is φ = 5343936.

The previous prime is 13405783. The next prime is 13405807. The reversal of 13405790 is 9750431.

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 7 ways as a sum of consecutive naturals, for example, 989 + ... + 5271.

It is an arithmetic number, because the mean of its divisors is an integer number (1513323).

Almost surely, 2^13405790 is an apocalyptic number.

13405790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13405790 is a deficient number, since it is larger than the sum of its proper divisors (10807378).

13405790 is a wasteful number, since it uses less digits than its factorization.

13405790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 13405790 is about 3661.3918118661. The cubic root of 13405790 is about 237.5549789617.

The spelling of 13405790 in words is "thirteen million, four hundred five thousand, seven hundred ninety".