12297865 has 8 divisors (see below), whose sum is σ = 14777928. Its totient is φ = 9824640.

The previous prime is 12297863. The next prime is 12297877. The reversal of 12297865 is 56879221.

It can be written as a sum of positive squares in 4 ways, for example, as 710649 + 11587216 = 843^2 + 3404^2 .

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

It is not a de Polignac number, because 12297865 - 2¹ = 12297863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12297863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3975 + ... + 6355.

It is an arithmetic number, because the mean of its divisors is an integer number (1847241).

Almost surely, 2^12297865 is an apocalyptic number.

It is an amenable number.

12297865 is a deficient number, since it is larger than the sum of its proper divisors (2480063).

12297865 is a wasteful number, since it uses less digits than its factorization.

12297865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419.

The product of its digits is 60480, while the sum is 40.

The square root of 12297865 is about 3506.8311906905. The cubic root of 12297865 is about 230.8216673007.

The spelling of 12297865 in words is "twelve million, two hundred ninety-seven thousand, eight hundred sixty-five".