12990024439 has 16 divisors (see below), whose sum is σ = 14970470400. Its totient is φ = 11040853824.

The previous prime is 12990024427. The next prime is 12990024469. The reversal of 12990024439 is 93442009921.

It is a happy number.

It is not a de Polignac number, because 12990024439 - 2¹⁵ = 12989991671 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12990024395 and 12990024404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12990024419) 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, 3304227 + ... + 3308155.

It is an arithmetic number, because the mean of its divisors is an integer number (935654400).

Almost surely, 2^12990024439 is an apocalyptic number.

12990024439 is a deficient number, since it is larger than the sum of its proper divisors (1980445961).

12990024439 is a wasteful number, since it uses less digits than its factorization.

12990024439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7782.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 12990024439 in words is "twelve billion, nine hundred ninety million, twenty-four thousand, four hundred thirty-nine".