12539022 has 16 divisors (see below), whose sum is σ = 25114752. Its totient is φ = 4173560.

The previous prime is 12539011. The next prime is 12539027. The reversal of 12539022 is 22093521.

It is a junction number, because it is equal to n+sod(n) for n = 12538983 and 12539001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12539027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5173 + ... + 7199.

It is an arithmetic number, because the mean of its divisors is an integer number (1569672).

Almost surely, 2^12539022 is an apocalyptic number.

12539022 is an abundant number, since it is smaller than the sum of its proper divisors (12575730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12539022 is a wasteful number, since it uses less digits than its factorization.

12539022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 12539022 is about 3541.0481499127. The cubic root of 12539022 is about 232.3206895878.

The spelling of 12539022 in words is "twelve million, five hundred thirty-nine thousand, twenty-two".