12256269 has 8 divisors (see below), whose sum is σ = 17303040. Its totient is φ = 7690176.

The previous prime is 12256207. The next prime is 12256271. The reversal of 12256269 is 96265221.

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

It is not a de Polignac number, because 12256269 - 2¹⁵ = 12223501 is a prime.

It is a super-2 number, since 2×12256269² = 300432259600722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12256369) 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, 120109 + ... + 120210.

It is an arithmetic number, because the mean of its divisors is an integer number (2162880).

Almost surely, 2^12256269 is an apocalyptic number.

It is an amenable number.

12256269 is a deficient number, since it is larger than the sum of its proper divisors (5046771).

12256269 is a wasteful number, since it uses less digits than its factorization.

12256269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240339.

The product of its digits is 12960, while the sum is 33.

The square root of 12256269 is about 3500.8954568796. The cubic root of 12256269 is about 230.5611314684.

The spelling of 12256269 in words is "twelve million, two hundred fifty-six thousand, two hundred sixty-nine".