12813790 has 32 divisors (see below), whose sum is σ = 26490240. Its totient is φ = 4413600.

The previous prime is 12813761. The next prime is 12813791. The reversal of 12813790 is 9731821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12813791) 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, 976 + ... + 5155.

It is an arithmetic number, because the mean of its divisors is an integer number (827820).

Almost surely, 2^12813790 is an apocalyptic number.

12813790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12813790 is an abundant number, since it is smaller than the sum of its proper divisors (13676450).

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

12813790 is a wasteful number, since it uses less digits than its factorization.

12813790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 12813790 is about 3579.6354563000. The cubic root of 12813790 is about 234.0053935007.

The spelling of 12813790 in words is "twelve million, eight hundred thirteen thousand, seven hundred ninety".