12297805 has 16 divisors (see below), whose sum is σ = 16020144. Its totient is φ = 9008640.

The previous prime is 12297787. The next prime is 12297811. The reversal of 12297805 is 50879221.

12297805 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 724201 + 11573604 = 851^2 + 3402^2 .

It is not a de Polignac number, because 12297805 - 2⁵ = 12297773 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 8215 + ... + 9595.

It is an arithmetic number, because the mean of its divisors is an integer number (1001259).

Almost surely, 2^12297805 is an apocalyptic number.

It is an amenable number.

12297805 is a deficient number, since it is larger than the sum of its proper divisors (3722339).

12297805 is a wasteful number, since it uses less digits than its factorization.

12297805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 12297805 is about 3506.8226359484. The cubic root of 12297805 is about 230.8212919152.

The spelling of 12297805 in words is "twelve million, two hundred ninety-seven thousand, eight hundred five".