12674991 has 16 divisors (see below), whose sum is σ = 19588608. Its totient is φ = 7140000.

The previous prime is 12674989. The next prime is 12675017. The reversal of 12674991 is 19947621.

It is not a de Polignac number, because 12674991 - 2¹ = 12674989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12674971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2760 + ... + 5741.

It is an arithmetic number, because the mean of its divisors is an integer number (1224288).

Almost surely, 2^12674991 is an apocalyptic number.

12674991 is a deficient number, since it is larger than the sum of its proper divisors (6913617).

12674991 is an equidigital number, since it uses as much as digits as its factorization.

12674991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8582.

The product of its digits is 27216, while the sum is 39.

The square root of 12674991 is about 3560.1953598082. The cubic root of 12674991 is about 233.1574086625.

The spelling of 12674991 in words is "twelve million, six hundred seventy-four thousand, nine hundred ninety-one".