12879771 has 8 divisors (see below), whose sum is σ = 17279040. Its totient is φ = 8533512.

The previous prime is 12879749. The next prime is 12879773. The reversal of 12879771 is 17797821.

12879771 is digitally balanced in base 2 and base 4, because in such bases 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 not a de Polignac number, because 12879771 - 2⁶ = 12879707 is a prime.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12681 + ... + 13658.

It is an arithmetic number, because the mean of its divisors is an integer number (2159880).

Almost surely, 2^12879771 is an apocalyptic number.

12879771 is a deficient number, since it is larger than the sum of its proper divisors (4399269).

12879771 is a wasteful number, since it uses less digits than its factorization.

12879771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26505.

The product of its digits is 49392, while the sum is 42.

The square root of 12879771 is about 3588.8397846658. The cubic root of 12879771 is about 234.4063543475.

The spelling of 12879771 in words is "twelve million, eight hundred seventy-nine thousand, seven hundred seventy-one".