12267839 has 2 divisors, whose sum is σ = 12267840. Its totient is φ = 12267838.

The previous prime is 12267833. The next prime is 12267859. The reversal of 12267839 is 93876221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12267839 - 2¹⁶ = 12202303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12267833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6133919 + 6133920.

It is an arithmetic number, because the mean of its divisors is an integer number (6133920).

Almost surely, 2^12267839 is an apocalyptic number.

12267839 is a deficient number, since it is larger than the sum of its proper divisors (1).

12267839 is an equidigital number, since it uses as much as digits as its factorization.

12267839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 12267839 is about 3502.5475014623. The cubic root of 12267839 is about 230.6336590683.

The spelling of 12267839 in words is "twelve million, two hundred sixty-seven thousand, eight hundred thirty-nine".