12890023895 has 16 divisors (see below), whose sum is σ = 17746544448. Its totient is φ = 8804474880.

The previous prime is 12890023829. The next prime is 12890023901. The reversal of 12890023895 is 59832009821.

It is not a de Polignac number, because 12890023895 - 2⁸ = 12890023639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707516 + ... + 725505.

It is an arithmetic number, because the mean of its divisors is an integer number (1109159028).

Almost surely, 2^12890023895 is an apocalyptic number.

12890023895 is a deficient number, since it is larger than the sum of its proper divisors (4856520553).

12890023895 is a wasteful number, since it uses less digits than its factorization.

12890023895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433290.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 12890023895 in words is "twelve billion, eight hundred ninety million, twenty-three thousand, eight hundred ninety-five".