12244139 has 2 divisors, whose sum is σ = 12244140. Its totient is φ = 12244138.

The previous prime is 12244109. The next prime is 12244147. The reversal of 12244139 is 93144221.

12244139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12244139 - 2⁸ = 12243883 is a prime.

It is not a weakly prime, because it can be changed into another prime (12244109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6122069 + 6122070.

It is an arithmetic number, because the mean of its divisors is an integer number (6122070).

Almost surely, 2^12244139 is an apocalyptic number.

12244139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12244139 is an equidigital number, since it uses as much as digits as its factorization.

12244139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

The square root of 12244139 is about 3499.1626141121. The cubic root of 12244139 is about 230.4850444291.

The spelling of 12244139 in words is "twelve million, two hundred forty-four thousand, one hundred thirty-nine".