12039487493 has 16 divisors (see below), whose sum is σ = 13210779456. Its totient is φ = 10881181440.

The previous prime is 12039487487. The next prime is 12039487507. The reversal of 12039487493 is 39478493021.

It is a cyclic number.

It is not a de Polignac number, because 12039487493 - 2¹² = 12039483397 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 (12039487423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1391246 + ... + 1399872.

It is an arithmetic number, because the mean of its divisors is an integer number (825673716).

Almost surely, 2^12039487493 is an apocalyptic number.

It is an amenable number.

12039487493 is a deficient number, since it is larger than the sum of its proper divisors (1171291963).

12039487493 is a wasteful number, since it uses less digits than its factorization.

12039487493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9364.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 12039487493 in words is "twelve billion, thirty-nine million, four hundred eighty-seven thousand, four hundred ninety-three".