12201944 has 8 divisors (see below), whose sum is σ = 22878660. Its totient is φ = 6100968.

The previous prime is 12201923. The next prime is 12201961. The reversal of 12201944 is 44910221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762614 + ... + 762629.

Almost surely, 2^12201944 is an apocalyptic number.

It is an amenable number.

12201944 is a deficient number, since it is larger than the sum of its proper divisors (10676716).

12201944 is a wasteful number, since it uses less digits than its factorization.

12201944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525249 (or 1525245 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12201944 is about 3493.1281110203. The cubic root of 12201944 is about 230.2199785750.

The spelling of 12201944 in words is "twelve million, two hundred one thousand, nine hundred forty-four".