12937145 has 8 divisors (see below), whose sum is σ = 16718856. Its totient is φ = 9553536.

The previous prime is 12937139. The next prime is 12937151. The reversal of 12937145 is 54173921.

12937145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12937139) and next prime (12937151).

It can be written as a sum of positive squares in 4 ways, for example, as 5929 + 12931216 = 77^2 + 3596^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12937145 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99452 + ... + 99581.

It is an arithmetic number, because the mean of its divisors is an integer number (2089857).

Almost surely, 2^12937145 is an apocalyptic number.

It is an amenable number.

12937145 is a deficient number, since it is larger than the sum of its proper divisors (3781711).

12937145 is a wasteful number, since it uses less digits than its factorization.

12937145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199051.

The product of its digits is 7560, while the sum is 32.

The square root of 12937145 is about 3596.8242937347. The cubic root of 12937145 is about 234.7538996004.

The spelling of 12937145 in words is "twelve million, nine hundred thirty-seven thousand, one hundred forty-five".