12885770 has 32 divisors (see below), whose sum is σ = 24178176. Its totient is φ = 4939200.

The previous prime is 12885751. The next prime is 12885791. The reversal of 12885770 is 7758821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60965 + ... + 61175.

It is an arithmetic number, because the mean of its divisors is an integer number (755568).

Almost surely, 2^12885770 is an apocalyptic number.

12885770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12885770 is a deficient number, since it is larger than the sum of its proper divisors (11292406).

12885770 is a wasteful number, since it uses less digits than its factorization.

12885770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446.

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 12885770 is about 3589.6754727969. The cubic root of 12885770 is about 234.4427417816.

The spelling of 12885770 in words is "twelve million, eight hundred eighty-five thousand, seven hundred seventy".