12884859 has 16 divisors (see below), whose sum is σ = 20557600. Its totient is φ = 7928928.

The previous prime is 12884857. The next prime is 12884887. The reversal of 12884859 is 95848821.

It is a happy number.

It is not a de Polignac number, because 12884859 - 2¹ = 12884857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12884857) 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, 18004 + ... + 18705.

It is an arithmetic number, because the mean of its divisors is an integer number (1284850).

Almost surely, 2^12884859 is an apocalyptic number.

12884859 is a deficient number, since it is larger than the sum of its proper divisors (7672741).

12884859 is a wasteful number, since it uses less digits than its factorization.

12884859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36731 (or 36725 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 12884859 is about 3589.5485788606. The cubic root of 12884859 is about 234.4372167626.

The spelling of 12884859 in words is "twelve million, eight hundred eighty-four thousand, eight hundred fifty-nine".