12813740 has 12 divisors (see below), whose sum is σ = 26908896. Its totient is φ = 5125488.

The previous prime is 12813707. The next prime is 12813761. The reversal of 12813740 is 4731821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320324 + ... + 320363.

It is an arithmetic number, because the mean of its divisors is an integer number (2242408).

Almost surely, 2^12813740 is an apocalyptic number.

12813740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12813740 is an abundant number, since it is smaller than the sum of its proper divisors (14095156).

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

12813740 is a wasteful number, since it uses less digits than its factorization.

12813740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640696 (or 640694 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 12813740 is about 3579.6284723418. The cubic root of 12813740 is about 234.0050891337.

The spelling of 12813740 in words is "twelve million, eight hundred thirteen thousand, seven hundred forty".