12297765 has 16 divisors (see below), whose sum is σ = 19752768. Its totient is φ = 6533376.

The previous prime is 12297763. The next prime is 12297773. The reversal of 12297765 is 56779221.

It is not a de Polignac number, because 12297765 - 2¹ = 12297763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12297763) 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 15 ways as a sum of consecutive naturals, for example, 2797 + ... + 5693.

It is an arithmetic number, because the mean of its divisors is an integer number (1234548).

Almost surely, 2^12297765 is an apocalyptic number.

12297765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12297765 is a deficient number, since it is larger than the sum of its proper divisors (7455003).

12297765 is a wasteful number, since it uses less digits than its factorization.

12297765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188.

The product of its digits is 52920, while the sum is 39.

The square root of 12297765 is about 3506.8169327754. The cubic root of 12297765 is about 230.8210416575.

The spelling of 12297765 in words is "twelve million, two hundred ninety-seven thousand, seven hundred sixty-five".