12761426 has 16 divisors (see below), whose sum is σ = 20220000. Its totient is φ = 6023808.

The previous prime is 12761387. The next prime is 12761453. The reversal of 12761426 is 62416721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18626 + ... + 19298.

It is an arithmetic number, because the mean of its divisors is an integer number (1263750).

Almost surely, 2^12761426 is an apocalyptic number.

12761426 is a deficient number, since it is larger than the sum of its proper divisors (7458574).

12761426 is a wasteful number, since it uses less digits than its factorization.

12761426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193.

The product of its digits is 4032, while the sum is 29.

The square root of 12761426 is about 3572.3138160022. The cubic root of 12761426 is about 233.6862012394.

The spelling of 12761426 in words is "twelve million, seven hundred sixty-one thousand, four hundred twenty-six".