13490785 has 32 divisors (see below), whose sum is σ = 20524032. Its totient is φ = 8268480.

The previous prime is 13490767. The next prime is 13490791. The reversal of 13490785 is 58709431.

It is not a de Polignac number, because 13490785 - 2⁷ = 13490657 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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 31 ways as a sum of consecutive naturals, for example, 25534 + ... + 26056.

It is an arithmetic number, because the mean of its divisors is an integer number (641376).

Almost surely, 2^13490785 is an apocalyptic number.

It is an amenable number.

13490785 is a deficient number, since it is larger than the sum of its proper divisors (7033247).

13490785 is a wasteful number, since it uses less digits than its factorization.

13490785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 13490785 is about 3672.9803974429. The cubic root of 13490785 is about 238.0559680535.

The spelling of 13490785 in words is "thirteen million, four hundred ninety thousand, seven hundred eighty-five".