12539941 has 8 divisors (see below), whose sum is σ = 12743744. Its totient is φ = 12337920.

The previous prime is 12539939. The next prime is 12539951. The reversal of 12539941 is 14993521.

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 12539941 - 2¹ = 12539939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12539897 and 12539906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12539951) 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, 21445 + ... + 22021.

It is an arithmetic number, because the mean of its divisors is an integer number (1592968).

Almost surely, 2^12539941 is an apocalyptic number.

12539941 is the 2045-th hex number.

It is an amenable number.

12539941 is a deficient number, since it is larger than the sum of its proper divisors (203803).

12539941 is a wasteful number, since it uses less digits than its factorization.

12539941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891.

The product of its digits is 9720, while the sum is 34.

The square root of 12539941 is about 3541.1779113736. The cubic root of 12539941 is about 232.3263651367.

The spelling of 12539941 in words is "twelve million, five hundred thirty-nine thousand, nine hundred forty-one".