12869091 has 8 divisors (see below), whose sum is σ = 19065360. Its totient is φ = 8579376.

The previous prime is 12869071. The next prime is 12869111. The reversal of 12869091 is 19096821.

It is an interprime number because it is at equal distance from previous prime (12869071) and next prime (12869111).

It is not a de Polignac number, because 12869091 - 2⁹ = 12868579 is a prime.

It is a super-2 number, since 2×12869091² = 331227006332562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12869041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 238290 + ... + 238343.

It is an arithmetic number, because the mean of its divisors is an integer number (2383170).

Almost surely, 2^12869091 is an apocalyptic number.

12869091 is a deficient number, since it is larger than the sum of its proper divisors (6196269).

12869091 is an equidigital number, since it uses as much as digits as its factorization.

12869091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476642 (or 476636 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 12869091 is about 3587.3515300288. The cubic root of 12869091 is about 234.3415459451.

The spelling of 12869091 in words is "twelve million, eight hundred sixty-nine thousand, ninety-one".