12794581 has 4 divisors (see below), whose sum is σ = 13468000. Its totient is φ = 12121164.

The previous prime is 12794531. The next prime is 12794627. The reversal of 12794581 is 18549721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12794581 - 2⁹ = 12794069 is a prime.

It is a super-2 number, since 2×12794581² = 327402605931122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12794581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12794531) 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 3 ways as a sum of consecutive naturals, for example, 336681 + ... + 336718.

It is an arithmetic number, because the mean of its divisors is an integer number (3367000).

Almost surely, 2^12794581 is an apocalyptic number.

It is an amenable number.

12794581 is a deficient number, since it is larger than the sum of its proper divisors (673419).

12794581 is an equidigital number, since it uses as much as digits as its factorization.

12794581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673418.

The product of its digits is 20160, while the sum is 37.

The square root of 12794581 is about 3576.9513555541. The cubic root of 12794581 is about 233.8884034555. Note that the first 3 decimals are identical.

The spelling of 12794581 in words is "twelve million, seven hundred ninety-four thousand, five hundred eighty-one".