12890734 has 8 divisors (see below), whose sum is σ = 19351368. Its totient is φ = 6440280.

The previous prime is 12890729. The next prime is 12890753. The reversal of 12890734 is 43709821.

12890734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12890734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3409 + ... + 6115.

It is an arithmetic number, because the mean of its divisors is an integer number (2418921).

Almost surely, 2^12890734 is an apocalyptic number.

12890734 is a deficient number, since it is larger than the sum of its proper divisors (6460634).

12890734 is a wasteful number, since it uses less digits than its factorization.

12890734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 12890734 is about 3590.3668336258. The cubic root of 12890734 is about 234.4728427990.

The spelling of 12890734 in words is "twelve million, eight hundred ninety thousand, seven hundred thirty-four".