12426396 has 12 divisors (see below), whose sum is σ = 28994952. Its totient is φ = 4142128.

The previous prime is 12426389. The next prime is 12426409. The reversal of 12426396 is 69362421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 517755 + ... + 517778.

It is an arithmetic number, because the mean of its divisors is an integer number (2416246).

Almost surely, 2^12426396 is an apocalyptic number.

It is an amenable number.

12426396 is an abundant number, since it is smaller than the sum of its proper divisors (16568556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12426396 is a wasteful number, since it uses less digits than its factorization.

12426396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035540 (or 1035538 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 12426396 is about 3525.1093600057. The cubic root of 12426396 is about 231.6230253238.

The spelling of 12426396 in words is "twelve million, four hundred twenty-six thousand, three hundred ninety-six".