12500013889 has 8 divisors (see below), whose sum is σ = 13637861568. Its totient is φ = 11362413360.

The previous prime is 12500013853. The next prime is 12500013913. The reversal of 12500013889 is 98831000521.

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 12500013889 - 2²¹ = 12497916737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12500013809) 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, 53299 + ... + 166855.

It is an arithmetic number, because the mean of its divisors is an integer number (1704732696).

Almost surely, 2^12500013889 is an apocalyptic number.

It is an amenable number.

12500013889 is a deficient number, since it is larger than the sum of its proper divisors (1137847679).

12500013889 is a wasteful number, since it uses less digits than its factorization.

12500013889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123575.

The product of its (nonzero) digits is 17280, while the sum is 37.

The spelling of 12500013889 in words is "twelve billion, five hundred million, thirteen thousand, eight hundred eighty-nine".