12205970 has 32 divisors (see below), whose sum is σ = 25325568. Its totient is φ = 4148928.

The previous prime is 12205957. The next prime is 12205981. The reversal of 12205970 is 7950221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8204 + ... + 9576.

It is an arithmetic number, because the mean of its divisors is an integer number (791424).

Almost surely, 2^12205970 is an apocalyptic number.

12205970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12205970 is an abundant number, since it is smaller than the sum of its proper divisors (13119598).

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

12205970 is a wasteful number, since it uses less digits than its factorization.

12205970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 12205970 is about 3493.7043378054. The cubic root of 12205970 is about 230.2452959538.

The spelling of 12205970 in words is "twelve million, two hundred five thousand, nine hundred seventy".