12726424 has 8 divisors (see below), whose sum is σ = 23862060. Its totient is φ = 6363208.

The previous prime is 12726407. The next prime is 12726433. The reversal of 12726424 is 42462721.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

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

It is a junction number, because it is equal to n+sod(n) for n = 12726392 and 12726401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 795394 + ... + 795409.

Almost surely, 2^12726424 is an apocalyptic number.

It is an amenable number.

12726424 is a deficient number, since it is larger than the sum of its proper divisors (11135636).

12726424 is a wasteful number, since it uses less digits than its factorization.

12726424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590809 (or 1590805 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 12726424 is about 3567.4113864257. The cubic root of 12726424 is about 233.4723543424.

The spelling of 12726424 in words is "twelve million, seven hundred twenty-six thousand, four hundred twenty-four".