12502652639 has 8 divisors (see below), whose sum is σ = 13053921120. Its totient is φ = 11952023776.

The previous prime is 12502652623. The next prime is 12502652651. The reversal of 12502652639 is 93625620521.

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 12502652639 - 2⁴ = 12502652623 is a prime.

It is a super-2 number, since 2×12502652639² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12502652596 and 12502652605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12502652699) 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, 119732 + ... + 198345.

It is an arithmetic number, because the mean of its divisors is an integer number (1631740140).

Almost surely, 2^12502652639 is an apocalyptic number.

12502652639 is a deficient number, since it is larger than the sum of its proper divisors (551268481).

12502652639 is a wasteful number, since it uses less digits than its factorization.

12502652639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319809.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 12502652639 in words is "twelve billion, five hundred two million, six hundred fifty-two thousand, six hundred thirty-nine".