12266939 has 2 divisors, whose sum is σ = 12266940. Its totient is φ = 12266938.

The previous prime is 12266929. The next prime is 12266983. The reversal of 12266939 is 93966221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12266939 - 2⁴ = 12266923 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (12266909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6133469 + 6133470.

It is an arithmetic number, because the mean of its divisors is an integer number (6133470).

Almost surely, 2^12266939 is an apocalyptic number.

12266939 is a deficient number, since it is larger than the sum of its proper divisors (1).

12266939 is an equidigital number, since it uses as much as digits as its factorization.

12266939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 38.

The square root of 12266939 is about 3502.4190211909. The cubic root of 12266939 is about 230.6280189723.

The spelling of 12266939 in words is "twelve million, two hundred sixty-six thousand, nine hundred thirty-nine".