12523269 has 16 divisors (see below), whose sum is σ = 18316800. Its totient is φ = 7547760.

The previous prime is 12523253. The next prime is 12523283. The reversal of 12523269 is 96232521.

It is not a de Polignac number, because 12523269 - 2⁴ = 12523253 is a prime.

It is a super-2 number, since 2×12523269² = 313664532892722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12523219) 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, 5614 + ... + 7520.

It is an arithmetic number, because the mean of its divisors is an integer number (1144800).

Almost surely, 2^12523269 is an apocalyptic number.

It is an amenable number.

12523269 is a deficient number, since it is larger than the sum of its proper divisors (5793531).

12523269 is a wasteful number, since it uses less digits than its factorization.

12523269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120.

The product of its digits is 6480, while the sum is 30.

The square root of 12523269 is about 3538.8231094532. The cubic root of 12523269 is about 232.2233592565.

The spelling of 12523269 in words is "twelve million, five hundred twenty-three thousand, two hundred sixty-nine".