12165672 has 16 divisors (see below), whose sum is σ = 30414240. Its totient is φ = 4055216.

The previous prime is 12165667. The next prime is 12165679. The reversal of 12165672 is 27656121.

It is a super-3 number, since 3×12165672³ (a number of 22 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12165679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253428 + ... + 253475.

It is an arithmetic number, because the mean of its divisors is an integer number (1900890).

Almost surely, 2^12165672 is an apocalyptic number.

12165672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12165672 is an abundant number, since it is smaller than the sum of its proper divisors (18248568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12165672 is a wasteful number, since it uses less digits than its factorization.

12165672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506912 (or 506908 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 12165672 is about 3487.9323387933. The cubic root of 12165672 is about 229.9916317056.

The spelling of 12165672 in words is "twelve million, one hundred sixty-five thousand, six hundred seventy-two".