12426566 has 8 divisors (see below), whose sum is σ = 18718560. Its totient is φ = 6187048.

The previous prime is 12426559. The next prime is 12426577. The reversal of 12426566 is 66562421.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 12521 + ... + 13476.

It is an arithmetic number, because the mean of its divisors is an integer number (2339820).

Almost surely, 2^12426566 is an apocalyptic number.

12426566 is a deficient number, since it is larger than the sum of its proper divisors (6291994).

12426566 is a wasteful number, since it uses less digits than its factorization.

12426566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26238.

The product of its digits is 17280, while the sum is 32.

The square root of 12426566 is about 3525.1334726504. The cubic root of 12426566 is about 231.6240815628.

Adding to 12426566 its reverse (66562421), we get a palindrome (78988987).

The spelling of 12426566 in words is "twelve million, four hundred twenty-six thousand, five hundred sixty-six".