12253865 has 16 divisors (see below), whose sum is σ = 16139088. Its totient is φ = 8875776.

The previous prime is 12253859. The next prime is 12253867. The reversal of 12253865 is 56835221.

12253865 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 1567504 + 10686361 = 1252^2 + 3269^2 .

It is not a de Polignac number, because 12253865 - 2²⁰ = 11205289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12253867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1667 + ... + 5223.

It is an arithmetic number, because the mean of its divisors is an integer number (1008693).

Almost surely, 2^12253865 is an apocalyptic number.

It is an amenable number.

12253865 is a deficient number, since it is larger than the sum of its proper divisors (3885223).

12253865 is a wasteful number, since it uses less digits than its factorization.

12253865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628.

The product of its digits is 14400, while the sum is 32.

The square root of 12253865 is about 3500.5520993123. The cubic root of 12253865 is about 230.5460560486.

The spelling of 12253865 in words is "twelve million, two hundred fifty-three thousand, eight hundred sixty-five".