13456790 has 32 divisors (see below), whose sum is σ = 25353216. Its totient is φ = 5136480.

The previous prime is 13456739. The next prime is 13456799. The reversal of 13456790 is 9765431.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13456790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13456799) by changing a digit.

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, 25469 + ... + 25991.

It is an arithmetic number, because the mean of its divisors is an integer number (792288).

Almost surely, 2^13456790 is an apocalyptic number.

13456790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13456790 is a deficient number, since it is larger than the sum of its proper divisors (11896426).

13456790 is a wasteful number, since it uses less digits than its factorization.

13456790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 13456790 is about 3668.3497652214. The cubic root of 13456790 is about 237.8558433094.

The spelling of 13456790 in words is "thirteen million, four hundred fifty-six thousand, seven hundred ninety".