13406790 has 16 divisors (see below), whose sum is σ = 32176368. Its totient is φ = 3575136.

The previous prime is 13406777. The next prime is 13406803. The reversal of 13406790 is 9760431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13406777) and next prime (13406803).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 446893 = 13406790 / (1 + 3 + 4 + 0 + 6 + 7 + 9 + 0).

It is a congruent number.

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, 223417 + ... + 223476.

It is an arithmetic number, because the mean of its divisors is an integer number (2011023).

Almost surely, 2^13406790 is an apocalyptic number.

13406790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13406790 is an abundant number, since it is smaller than the sum of its proper divisors (18769578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13406790 is a wasteful number, since it uses less digits than its factorization.

13406790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446903.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 13406790 is about 3661.5283694108. The cubic root of 13406790 is about 237.5608855904.

It can be divided in two parts, 13406 and 790, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 13406790 in words is "thirteen million, four hundred six thousand, seven hundred ninety".