12160906 has 8 divisors (see below), whose sum is σ = 18358020. Its totient is φ = 6041568.

The previous prime is 12160891. The next prime is 12160913. The reversal of 12160906 is 60906121.

It can be written as a sum of positive squares in 2 ways, for example, as 10297681 + 1863225 = 3209^2 + 1365^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19051 + ... + 19678.

Almost surely, 2^12160906 is an apocalyptic number.

12160906 is a deficient number, since it is larger than the sum of its proper divisors (6197114).

12160906 is a wasteful number, since it uses less digits than its factorization.

12160906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38888.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 12160906 is about 3487.2490590722. The cubic root of 12160906 is about 229.9615940913.

The spelling of 12160906 in words is "twelve million, one hundred sixty thousand, nine hundred six".