12937907 has 4 divisors (see below), whose sum is σ = 12946056. Its totient is φ = 12929760.

The previous prime is 12937877. The next prime is 12937913. The reversal of 12937907 is 70973921.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 70973921 = 619 ⋅114659.

It is a cyclic number.

It is not a de Polignac number, because 12937907 - 2⁶ = 12937843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12937987) 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, 833 + ... + 5154.

It is an arithmetic number, because the mean of its divisors is an integer number (3236514).

Almost surely, 2^12937907 is an apocalyptic number.

12937907 is a deficient number, since it is larger than the sum of its proper divisors (8149).

12937907 is an equidigital number, since it uses as much as digits as its factorization.

12937907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8148.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 12937907 is about 3596.9302189506. The cubic root of 12937907 is about 234.7585085245.

The spelling of 12937907 in words is "twelve million, nine hundred thirty-seven thousand, nine hundred seven".