12673957 has 4 divisors (see below), whose sum is σ = 13111020. Its totient is φ = 12236896.

The previous prime is 12673951. The next prime is 12673987. The reversal of 12673957 is 75937621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75937621 = 827 ⋅91823.

It can be written as a sum of positive squares in 2 ways, for example, as 3101121 + 9572836 = 1761^2 + 3094^2 .

It is a cyclic number.

It is not a de Polignac number, because 12673957 - 2²³ = 4285349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12673951) by changing a digit.

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, 218488 + ... + 218545.

It is an arithmetic number, because the mean of its divisors is an integer number (3277755).

Almost surely, 2^12673957 is an apocalyptic number.

It is an amenable number.

12673957 is a deficient number, since it is larger than the sum of its proper divisors (437063).

12673957 is an equidigital number, since it uses as much as digits as its factorization.

12673957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437062.

The product of its digits is 79380, while the sum is 40.

The square root of 12673957 is about 3560.0501400963. The cubic root of 12673957 is about 233.1510683209.

The spelling of 12673957 in words is "twelve million, six hundred seventy-three thousand, nine hundred fifty-seven".