12200940 has 36 divisors (see below), whose sum is σ = 37010064. Its totient is φ = 3253536.

The previous prime is 12200939. The next prime is 12200953. The reversal of 12200940 is 4900221.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 33712 + ... + 34071.

Almost surely, 2^12200940 is an apocalyptic number.

12200940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200940 is an abundant number, since it is smaller than the sum of its proper divisors (24809124).

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

12200940 is a wasteful number, since it uses less digits than its factorization.

12200940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67798 (or 67793 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12200940 is about 3492.9843973313. The cubic root of 12200940 is about 230.2136640840.

The spelling of 12200940 in words is "twelve million, two hundred thousand, nine hundred forty".