12168845 has 12 divisors (see below), whose sum is σ = 15813396. Its totient is φ = 8985600.

The previous prime is 12168839. The next prime is 12168851. The reversal of 12168845 is 54886121.

It is an interprime number because it is at equal distance from previous prime (12168839) and next prime (12168851).

It can be written as a sum of positive squares in 6 ways, for example, as 72361 + 12096484 = 269^2 + 3478^2 .

It is not a de Polignac number, because 12168845 - 2⁶ = 12168781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6356 + ... + 8045.

It is an arithmetic number, because the mean of its divisors is an integer number (1317783).

Almost surely, 2^12168845 is an apocalyptic number.

It is an amenable number.

12168845 is a deficient number, since it is larger than the sum of its proper divisors (3644551).

12168845 is a wasteful number, since it uses less digits than its factorization.

12168845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14432 (or 14419 counting only the distinct ones).

The product of its digits is 15360, while the sum is 35.

The square root of 12168845 is about 3488.3871631457. The cubic root of 12168845 is about 230.0116251213.

The spelling of 12168845 in words is "twelve million, one hundred sixty-eight thousand, eight hundred forty-five".