12649412 has 12 divisors (see below), whose sum is σ = 22735020. Its totient is φ = 6153696.

The previous prime is 12649409. The next prime is 12649447. The reversal of 12649412 is 21494621.

It can be written as a sum of positive squares in 2 ways, for example, as 11600836 + 1048576 = 3406^2 + 1024^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42587 + ... + 42882.

It is an arithmetic number, because the mean of its divisors is an integer number (1894585).

Almost surely, 2^12649412 is an apocalyptic number.

It is an amenable number.

12649412 is a deficient number, since it is larger than the sum of its proper divisors (10085608).

12649412 is a wasteful number, since it uses less digits than its factorization.

12649412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85510 (or 85508 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 12649412 is about 3556.6011865263. The cubic root of 12649412 is about 233.0004604975. Note that the first 3 decimals are identical.

The spelling of 12649412 in words is "twelve million, six hundred forty-nine thousand, four hundred twelve".