12620426 has 32 divisors (see below), whose sum is σ = 24675840. Its totient is φ = 4697856.

The previous prime is 12620417. The next prime is 12620437. The reversal of 12620426 is 62402621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1055 + ... + 5133.

It is an arithmetic number, because the mean of its divisors is an integer number (771120).

Almost surely, 2^12620426 is an apocalyptic number.

12620426 is a deficient number, since it is larger than the sum of its proper divisors (12055414).

12620426 is a wasteful number, since it uses less digits than its factorization.

12620426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 12620426 is about 3552.5238915453. The cubic root of 12620426 is about 232.8223516483.

The spelling of 12620426 in words is "twelve million, six hundred twenty thousand, four hundred twenty-six".