12951424 has 16 divisors (see below), whose sum is σ = 25801920. Its totient is φ = 6475648.

The previous prime is 12951383. The next prime is 12951431. The reversal of 12951424 is 42415921.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12951392 and 12951401.

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, 50464 + ... + 50719.

It is an arithmetic number, because the mean of its divisors is an integer number (1612620).

Almost surely, 2^12951424 is an apocalyptic number.

It is an amenable number.

12951424 is a deficient number, since it is larger than the sum of its proper divisors (12850496).

12951424 is an equidigital number, since it uses as much as digits as its factorization.

12951424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101197 (or 101185 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 12951424 is about 3598.8086917757. The cubic root of 12951424 is about 234.8402354559.

The spelling of 12951424 in words is "twelve million, nine hundred fifty-one thousand, four hundred twenty-four".