12522823 has 4 divisors (see below), whose sum is σ = 12540960. Its totient is φ = 12504688.

The previous prime is 12522803. The next prime is 12522841. The reversal of 12522823 is 32822521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32822521 = 31 ⋅1058791.

It is a cyclic number.

It is not a de Polignac number, because 12522823 - 2¹⁷ = 12391751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12522803) 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, 7990 + ... + 9427.

It is an arithmetic number, because the mean of its divisors is an integer number (3135240).

Almost surely, 2^12522823 is an apocalyptic number.

12522823 is a deficient number, since it is larger than the sum of its proper divisors (18137).

12522823 is an equidigital number, since it uses as much as digits as its factorization.

12522823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18136.

The product of its digits is 1920, while the sum is 25.

The square root of 12522823 is about 3538.7600935921. The cubic root of 12522823 is about 232.2206024457.

The spelling of 12522823 in words is "twelve million, five hundred twenty-two thousand, eight hundred twenty-three".