12200664 has 32 divisors (see below), whose sum is σ = 34859520. Its totient is φ = 3485856.

The previous prime is 12200651. The next prime is 12200687. The reversal of 12200664 is 46600221.

It is a happy number.

12200664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12200664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36144 + ... + 36479.

It is an arithmetic number, because the mean of its divisors is an integer number (1089360).

Almost surely, 2^12200664 is an apocalyptic number.

12200664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12200664 is an abundant number, since it is smaller than the sum of its proper divisors (22658856).

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

12200664 is a wasteful number, since it uses less digits than its factorization.

12200664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72639 (or 72635 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 12200664 is about 3492.9448893448. The cubic root of 12200664 is about 230.2119281672.

Adding to 12200664 its reverse (46600221), we get a palindrome (58800885).

The spelling of 12200664 in words is "twelve million, two hundred thousand, six hundred sixty-four".