12726426 has 16 divisors (see below), whose sum is σ = 25776000. Its totient is φ = 4188288.

The previous prime is 12726407. The next prime is 12726433. The reversal of 12726426 is 62462721.

It is a junction number, because it is equal to n+sod(n) for n = 12726393 and 12726402.

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, 12951 + ... + 13898.

It is an arithmetic number, because the mean of its divisors is an integer number (1611000).

Almost surely, 2^12726426 is an apocalyptic number.

12726426 is an abundant number, since it is smaller than the sum of its proper divisors (13049574).

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

12726426 is a wasteful number, since it uses less digits than its factorization.

12726426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26933.

The product of its digits is 8064, while the sum is 30.

The square root of 12726426 is about 3567.4116667410. The cubic root of 12726426 is about 233.4723665728.

The spelling of 12726426 in words is "twelve million, seven hundred twenty-six thousand, four hundred twenty-six".