12226839 has 16 divisors (see below), whose sum is σ = 16692480. Its totient is φ = 7958720.

The previous prime is 12226831. The next prime is 12226849. The reversal of 12226839 is 93862221.

It is a happy number.

12226839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12226839 - 2³ = 12226831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12226831) 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, 28972 + ... + 29390.

It is an arithmetic number, because the mean of its divisors is an integer number (1043280).

Almost surely, 2^12226839 is an apocalyptic number.

12226839 is a deficient number, since it is larger than the sum of its proper divisors (4465641).

12226839 is a wasteful number, since it uses less digits than its factorization.

12226839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630.

The product of its digits is 10368, while the sum is 33.

The square root of 12226839 is about 3496.6897202926. The cubic root of 12226839 is about 230.3764408842.

The spelling of 12226839 in words is "twelve million, two hundred twenty-six thousand, eight hundred thirty-nine".