12807426 has 32 divisors (see below), whose sum is σ = 27276480. Its totient is φ = 3995136.

The previous prime is 12807419. The next prime is 12807427. The reversal of 12807426 is 62470821.

It is a junction number, because it is equal to n+sod(n) for n = 12807393 and 12807402.

It is not an unprimeable number, because it can be changed into a prime (12807427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31110 + ... + 31518.

It is an arithmetic number, because the mean of its divisors is an integer number (852390).

Almost surely, 2^12807426 is an apocalyptic number.

12807426 is an abundant number, since it is smaller than the sum of its proper divisors (14469054).

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

12807426 is a wasteful number, since it uses less digits than its factorization.

12807426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 12807426 is about 3578.7464285696. The cubic root of 12807426 is about 233.9666473028.

The spelling of 12807426 in words is "twelve million, eight hundred seven thousand, four hundred twenty-six".