13231469 has 4 divisors (see below), whose sum is σ = 13412796. Its totient is φ = 13050144.

The previous prime is 13231411. The next prime is 13231481. The reversal of 13231469 is 96413231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96413231 = 37 ⋅2605763.

It can be written as a sum of positive squares in 2 ways, for example, as 4452100 + 8779369 = 2110^2 + 2963^2 .

It is a cyclic number.

It is not a de Polignac number, because 13231469 - 2¹² = 13227373 is a prime.

It is a super-2 number, since 2×13231469² = 350143543795922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90554 + ... + 90699.

It is an arithmetic number, because the mean of its divisors is an integer number (3353199).

Almost surely, 2^13231469 is an apocalyptic number.

It is an amenable number.

13231469 is a deficient number, since it is larger than the sum of its proper divisors (181327).

13231469 is an equidigital number, since it uses as much as digits as its factorization.

13231469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181326.

The product of its digits is 3888, while the sum is 29.

The square root of 13231469 is about 3637.5086254193. The cubic root of 13231469 is about 236.5208083159.

The spelling of 13231469 in words is "thirteen million, two hundred thirty-one thousand, four hundred sixty-nine".