12931403039 has 8 divisors (see below), whose sum is σ = 13695308928. Its totient is φ = 12167856640.

The previous prime is 12931403033. The next prime is 12931403041. The reversal of 12931403039 is 93030413921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12931403039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12931403033) 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, 13967 + ... + 161424.

It is an arithmetic number, because the mean of its divisors is an integer number (1711913616).

Almost surely, 2^12931403039 is an apocalyptic number.

12931403039 is a deficient number, since it is larger than the sum of its proper divisors (763905889).

12931403039 is a wasteful number, since it uses less digits than its factorization.

12931403039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179745.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 12931403039 in words is "twelve billion, nine hundred thirty-one million, four hundred three thousand, thirty-nine".