12452539 has 8 divisors (see below), whose sum is σ = 13647168. Its totient is φ = 11268360.

The previous prime is 12452537. The next prime is 12452621. The reversal of 12452539 is 93525421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12452539 - 2¹ = 12452537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12452539.

It is not an unprimeable number, because it can be changed into a prime (12452537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4 + ... + 4990.

It is an arithmetic number, because the mean of its divisors is an integer number (1705896).

Almost surely, 2^12452539 is an apocalyptic number.

12452539 is a deficient number, since it is larger than the sum of its proper divisors (1194629).

12452539 is a wasteful number, since it uses less digits than its factorization.

12452539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5225.

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

The square root of 12452539 is about 3528.8155236566. The cubic root of 12452539 is about 231.7853432169.

The spelling of 12452539 in words is "twelve million, four hundred fifty-two thousand, five hundred thirty-nine".