12539467 has 2 divisors, whose sum is σ = 12539468. Its totient is φ = 12539466.

The previous prime is 12539389. The next prime is 12539479. The reversal of 12539467 is 76493521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12539467 - 2¹¹ = 12537419 is a prime.

It is not a weakly prime, because it can be changed into another prime (12539167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6269733 + 6269734.

It is an arithmetic number, because the mean of its divisors is an integer number (6269734).

Almost surely, 2^12539467 is an apocalyptic number.

12539467 is a deficient number, since it is larger than the sum of its proper divisors (1).

12539467 is an equidigital number, since it uses as much as digits as its factorization.

12539467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 12539467 is about 3541.1109838580. The cubic root of 12539467 is about 232.3234378479.

The spelling of 12539467 in words is "twelve million, five hundred thirty-nine thousand, four hundred sixty-seven".