12205797 has 8 divisors (see below), whose sum is σ = 16333440. Its totient is φ = 8107680.

The previous prime is 12205793. The next prime is 12205799. The reversal of 12205797 is 79750221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12205797 - 2² = 12205793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6397 + ... + 8082.

It is an arithmetic number, because the mean of its divisors is an integer number (2041680).

Almost surely, 2^12205797 is an apocalyptic number.

It is an amenable number.

12205797 is a deficient number, since it is larger than the sum of its proper divisors (4127643).

12205797 is a wasteful number, since it uses less digits than its factorization.

12205797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14763.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 12205797 is about 3493.6795788967. The cubic root of 12205797 is about 230.2442081630.

The spelling of 12205797 in words is "twelve million, two hundred five thousand, seven hundred ninety-seven".