12569423 has 4 divisors (see below), whose sum is σ = 12592008. Its totient is φ = 12546840.

The previous prime is 12569413. The next prime is 12569461. The reversal of 12569423 is 32496521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32496521 = 751 ⋅43271.

It is a cyclic number.

It is not a de Polignac number, because 12569423 - 2¹⁰ = 12568399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12569423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12569413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10436 + ... + 11577.

It is an arithmetic number, because the mean of its divisors is an integer number (3148002).

Almost surely, 2^12569423 is an apocalyptic number.

12569423 is a deficient number, since it is larger than the sum of its proper divisors (22585).

12569423 is an equidigital number, since it uses as much as digits as its factorization.

12569423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22584.

The product of its digits is 12960, while the sum is 32.

The square root of 12569423 is about 3545.3382067160. The cubic root of 12569423 is about 232.5082927631.

The spelling of 12569423 in words is "twelve million, five hundred sixty-nine thousand, four hundred twenty-three".