12758612 has 6 divisors (see below), whose sum is σ = 22327578. Its totient is φ = 6379304.

The previous prime is 12758597. The next prime is 12758621. The reversal of 12758612 is 21685721.

It can be written as a sum of positive squares in only one way, i.e., 11600836 + 1157776 = 3406^2 + 1076^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1594823 + ... + 1594830.

It is an arithmetic number, because the mean of its divisors is an integer number (3721263).

Almost surely, 2^12758612 is an apocalyptic number.

It is an amenable number.

12758612 is a deficient number, since it is larger than the sum of its proper divisors (9568966).

12758612 is a wasteful number, since it uses less digits than its factorization.

12758612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189657 (or 3189655 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 12758612 is about 3571.9199319134. The cubic root of 12758612 is about 233.6690233966.

The spelling of 12758612 in words is "twelve million, seven hundred fifty-eight thousand, six hundred twelve".