12469469 has 4 divisors (see below), whose sum is σ = 12704796. Its totient is φ = 12234144.

The previous prime is 12469433. The next prime is 12469493. The reversal of 12469469 is 96496421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10004569 + 2464900 = 3163^2 + 1570^2 .

It is a cyclic number.

It is not a de Polignac number, because 12469469 - 2⁸ = 12469213 is a prime.

It is a super-2 number, since 2×12469469² = 310975314283922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12469069) 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, 117584 + ... + 117689.

It is an arithmetic number, because the mean of its divisors is an integer number (3176199).

Almost surely, 2^12469469 is an apocalyptic number.

It is an amenable number.

12469469 is a deficient number, since it is larger than the sum of its proper divisors (235327).

12469469 is an equidigital number, since it uses as much as digits as its factorization.

12469469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235326.

The product of its digits is 93312, while the sum is 41.

The square root of 12469469 is about 3531.2135307851. The cubic root of 12469469 is about 231.8903378379.

The spelling of 12469469 in words is "twelve million, four hundred sixty-nine thousand, four hundred sixty-nine".