12645426 has 16 divisors (see below), whose sum is σ = 25350624. Its totient is φ = 4205184.

The previous prime is 12645419. The next prime is 12645439. The reversal of 12645426 is 62454621.

It is a junction number, because it is equal to n+sod(n) for n = 12645393 and 12645402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546 + ... + 5058.

It is an arithmetic number, because the mean of its divisors is an integer number (1584414).

Almost surely, 2^12645426 is an apocalyptic number.

12645426 is an abundant number, since it is smaller than the sum of its proper divisors (12705198).

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

12645426 is a wasteful number, since it uses less digits than its factorization.

12645426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985.

The product of its digits is 11520, while the sum is 30.

The square root of 12645426 is about 3556.0407759192. The cubic root of 12645426 is about 232.9759840659.

The spelling of 12645426 in words is "twelve million, six hundred forty-five thousand, four hundred twenty-six".