12740516 has 12 divisors (see below), whose sum is σ = 22335180. Its totient is φ = 6359040.

The previous prime is 12740503. The next prime is 12740549. The reversal of 12740516 is 61504721.

It can be written as a sum of positive squares in 2 ways, for example, as 7311616 + 5428900 = 2704^2 + 2330^2 .

It is an unprimeable number.

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, 80 + ... + 5048.

It is an arithmetic number, because the mean of its divisors is an integer number (1861265).

Almost surely, 2^12740516 is an apocalyptic number.

It is an amenable number.

12740516 is a deficient number, since it is larger than the sum of its proper divisors (9594664).

12740516 is a wasteful number, since it uses less digits than its factorization.

12740516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614 (or 5612 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12740516 is about 3569.3859415872. The cubic root of 12740516 is about 233.5584973885.

The spelling of 12740516 in words is "twelve million, seven hundred forty thousand, five hundred sixteen".