12426304 has 56 divisors (see below), whose sum is σ = 28346400. Its totient is φ = 5345280.

The previous prime is 12426277. The next prime is 12426313. The reversal of 12426304 is 40362421.

It is a happy number.

It is a super-2 number, since 2×12426304² = 308826062200832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 in 7 ways as a sum of consecutive naturals, for example, 12912 + ... + 13840.

Almost surely, 2^12426304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12426304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14173200).

12426304 is an abundant number, since it is smaller than the sum of its proper divisors (15920096).

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

12426304 is a wasteful number, since it uses less digits than its factorization.

12426304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 12426304 is about 3525.0963107410. The cubic root of 12426304 is about 231.6224537080.

Adding to 12426304 its reverse (40362421), we get a palindrome (52788725).

The spelling of 12426304 in words is "twelve million, four hundred twenty-six thousand, three hundred four".