12749612 has 12 divisors (see below), whose sum is σ = 22626576. Its totient is φ = 6284880.

The previous prime is 12749603. The next prime is 12749617. The reversal of 12749612 is 21694721.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12749617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22163 + ... + 22730.

It is an arithmetic number, because the mean of its divisors is an integer number (1885548).

Almost surely, 2^12749612 is an apocalyptic number.

It is an amenable number.

12749612 is a deficient number, since it is larger than the sum of its proper divisors (9876964).

12749612 is a wasteful number, since it uses less digits than its factorization.

12749612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44968 (or 44966 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 12749612 is about 3570.6598829908. The cubic root of 12749612 is about 233.6140666375.

The spelling of 12749612 in words is "twelve million, seven hundred forty-nine thousand, six hundred twelve".