12201954 has 16 divisors (see below), whose sum is σ = 25839648. Its totient is φ = 3828032.

The previous prime is 12201923. The next prime is 12201961. The reversal of 12201954 is 45910221.

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, 59712 + ... + 59915.

It is an arithmetic number, because the mean of its divisors is an integer number (1614978).

Almost surely, 2^12201954 is an apocalyptic number.

12201954 is an abundant number, since it is smaller than the sum of its proper divisors (13637694).

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

12201954 is a wasteful number, since it uses less digits than its factorization.

12201954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119649.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 12201954 is about 3493.1295424018. The cubic root of 12201954 is about 230.2200414666.

The spelling of 12201954 in words is "twelve million, two hundred one thousand, nine hundred fifty-four".