12874161 has 4 divisors (see below), whose sum is σ = 17165552. Its totient is φ = 8582772.

The previous prime is 12874159. The next prime is 12874163. The reversal of 12874161 is 16147821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12874159) and next prime (12874163).

It is not a de Polignac number, because 12874161 - 2¹ = 12874159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12874163) 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 3 ways as a sum of consecutive naturals, for example, 2145691 + ... + 2145696.

It is an arithmetic number, because the mean of its divisors is an integer number (4291388).

Almost surely, 2^12874161 is an apocalyptic number.

It is an amenable number.

12874161 is a deficient number, since it is larger than the sum of its proper divisors (4291391).

12874161 is an equidigital number, since it uses as much as digits as its factorization.

12874161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291390.

The product of its digits is 2688, while the sum is 30.

The square root of 12874161 is about 3588.0581098973. The cubic root of 12874161 is about 234.3723162004.

The spelling of 12874161 in words is "twelve million, eight hundred seventy-four thousand, one hundred sixty-one".