12802870 has 32 divisors (see below), whose sum is σ = 24634368. Its totient is φ = 4773888.

The previous prime is 12802831. The next prime is 12802883. The reversal of 12802870 is 7820821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21294 + ... + 21886.

It is an arithmetic number, because the mean of its divisors is an integer number (769824).

Almost surely, 2^12802870 is an apocalyptic number.

12802870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12802870 is a deficient number, since it is larger than the sum of its proper divisors (11831498).

12802870 is a wasteful number, since it uses less digits than its factorization.

12802870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 12802870 is about 3578.1098362124. The cubic root of 12802870 is about 233.9389009399.

The spelling of 12802870 in words is "twelve million, eight hundred two thousand, eight hundred seventy".