12507937 has 8 divisors (see below), whose sum is σ = 14262696. Its totient is φ = 10866432.

The previous prime is 12507931. The next prime is 12507953. The reversal of 12507937 is 73970521.

It can be written as a sum of positive squares in 4 ways, for example, as 564001 + 11943936 = 751^2 + 3456^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12507937 - 2²³ = 4119329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12507931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28078 + ... + 28519.

It is an arithmetic number, because the mean of its divisors is an integer number (1782837).

Almost surely, 2^12507937 is an apocalyptic number.

12507937 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12507937 is a deficient number, since it is larger than the sum of its proper divisors (1754759).

12507937 is a wasteful number, since it uses less digits than its factorization.

12507937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56627.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 12507937 is about 3536.6561891142. The cubic root of 12507937 is about 232.1285516752.

The spelling of 12507937 in words is "twelve million, five hundred seven thousand, nine hundred thirty-seven".