12552439 has 2 divisors, whose sum is σ = 12552440. Its totient is φ = 12552438.

The previous prime is 12552433. The next prime is 12552451. The reversal of 12552439 is 93425521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12552439 - 2⁷ = 12552311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12552439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12552433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6276219 + 6276220.

It is an arithmetic number, because the mean of its divisors is an integer number (6276220).

Almost surely, 2^12552439 is an apocalyptic number.

12552439 is a deficient number, since it is larger than the sum of its proper divisors (1).

12552439 is an equidigital number, since it uses as much as digits as its factorization.

12552439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 12552439 is about 3542.9421389574. The cubic root of 12552439 is about 232.4035226186.

The spelling of 12552439 in words is "twelve million, five hundred fifty-two thousand, four hundred thirty-nine".