12901226 has 16 divisors (see below), whose sum is σ = 20928768. Its totient is φ = 5929200.

The previous prime is 12901223. The next prime is 12901237. The reversal of 12901226 is 62210921.

It is not an unprimeable number, because it can be changed into a prime (12901223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6131 + ... + 7961.

It is an arithmetic number, because the mean of its divisors is an integer number (1308048).

Almost surely, 2^12901226 is an apocalyptic number.

12901226 is a deficient number, since it is larger than the sum of its proper divisors (8027542).

12901226 is a wasteful number, since it uses less digits than its factorization.

12901226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 12901226 is about 3591.8276684719. The cubic root of 12901226 is about 234.5364394344.

The spelling of 12901226 in words is "twelve million, nine hundred one thousand, two hundred twenty-six".