12985793 has 4 divisors (see below), whose sum is σ = 13028400. Its totient is φ = 12943188.

The previous prime is 12985747. The next prime is 12985799. The reversal of 12985793 is 39758921.

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 a cyclic number.

It is not a de Polignac number, because 12985793 - 2¹⁸ = 12723649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12985799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20843 + ... + 21456.

It is an arithmetic number, because the mean of its divisors is an integer number (3257100).

Almost surely, 2^12985793 is an apocalyptic number.

It is an amenable number.

12985793 is a deficient number, since it is larger than the sum of its proper divisors (42607).

12985793 is an equidigital number, since it uses as much as digits as its factorization.

12985793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42606.

The product of its digits is 136080, while the sum is 44.

The square root of 12985793 is about 3603.5805804783. The cubic root of 12985793 is about 235.0477826482.

The spelling of 12985793 in words is "twelve million, nine hundred eighty-five thousand, seven hundred ninety-three".