12201388 has 12 divisors (see below), whose sum is σ = 21807072. Its totient is φ = 5970800.

The previous prime is 12201367. The next prime is 12201407. The reversal of 12201388 is 88310221.

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, 32263 + ... + 32638.

It is an arithmetic number, because the mean of its divisors is an integer number (1817256).

Almost surely, 2^12201388 is an apocalyptic number.

It is an amenable number.

12201388 is a deficient number, since it is larger than the sum of its proper divisors (9605684).

12201388 is a wasteful number, since it uses less digits than its factorization.

12201388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64952 (or 64950 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 12201388 is about 3493.0485252856. The cubic root of 12201388 is about 230.2164817483.

The spelling of 12201388 in words is "twelve million, two hundred one thousand, three hundred eighty-eight".