12879770 has 32 divisors (see below), whose sum is σ = 25038720. Its totient is φ = 4755520.

The previous prime is 12879749. The next prime is 12879773. The reversal of 12879770 is 7797821.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12879773) by changing a digit.

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, 5705 + ... + 7635.

It is an arithmetic number, because the mean of its divisors is an integer number (782460).

Almost surely, 2^12879770 is an apocalyptic number.

12879770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12879770 is a deficient number, since it is larger than the sum of its proper divisors (12158950).

12879770 is a wasteful number, since it uses less digits than its factorization.

12879770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990.

The product of its (nonzero) digits is 49392, while the sum is 41.

The square root of 12879770 is about 3588.8396453450. The cubic root of 12879770 is about 234.4063482810.

The spelling of 12879770 in words is "twelve million, eight hundred seventy-nine thousand, seven hundred seventy".