12736424 has 16 divisors (see below), whose sum is σ = 24105600. Its totient is φ = 6308272.

The previous prime is 12736369. The next prime is 12736429. The reversal of 12736424 is 42463721.

It is not an unprimeable number, because it can be changed into a prime (12736429) 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, 6584 + ... + 8295.

It is an arithmetic number, because the mean of its divisors is an integer number (1506600).

Almost surely, 2^12736424 is an apocalyptic number.

It is an amenable number.

12736424 is a deficient number, since it is larger than the sum of its proper divisors (11369176).

12736424 is a wasteful number, since it uses less digits than its factorization.

12736424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14992 (or 14988 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 12736424 is about 3568.8126877156. The cubic root of 12736424 is about 233.5334899318.

The spelling of 12736424 in words is "twelve million, seven hundred thirty-six thousand, four hundred twenty-four".