13245690 has 16 divisors (see below), whose sum is σ = 31789728. Its totient is φ = 3532176.

The previous prime is 13245647. The next prime is 13245691. The reversal of 13245690 is 9654231.

It is a super-2 number, since 2×13245690² = 350896607152200, which contains 22 as substring.

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: 441523 = 13245690 / (1 + 3 + 2 + 4 + 5 + 6 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (13245691) 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 7 ways as a sum of consecutive naturals, for example, 220732 + ... + 220791.

It is an arithmetic number, because the mean of its divisors is an integer number (1986858).

Almost surely, 2^13245690 is an apocalyptic number.

13245690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13245690 is an abundant number, since it is smaller than the sum of its proper divisors (18544038).

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

13245690 is a wasteful number, since it uses less digits than its factorization.

13245690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441533.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 13245690 is about 3639.4628724580. The cubic root of 13245690 is about 236.6055144081.

The spelling of 13245690 in words is "thirteen million, two hundred forty-five thousand, six hundred ninety".