12899672 has 16 divisors (see below), whose sum is σ = 24225000. Its totient is φ = 6439680.

The previous prime is 12899671. The next prime is 12899687. The reversal of 12899672 is 27699821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12899671) by changing a digit.

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, 9347 + ... + 10637.

Almost surely, 2^12899672 is an apocalyptic number.

It is an amenable number.

12899672 is a deficient number, since it is larger than the sum of its proper divisors (11325328).

12899672 is a wasteful number, since it uses less digits than its factorization.

12899672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546 (or 2542 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 12899672 is about 3591.6113375475. The cubic root of 12899672 is about 234.5270221314.

The spelling of 12899672 in words is "twelve million, eight hundred ninety-nine thousand, six hundred seventy-two".