12531823 has 8 divisors (see below), whose sum is σ = 12776400. Its totient is φ = 12289728.

The previous prime is 12531809. The next prime is 12531829. The reversal of 12531823 is 32813521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12531823 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 (12531829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11865 + ... + 12877.

It is an arithmetic number, because the mean of its divisors is an integer number (1597050).

Almost surely, 2^12531823 is an apocalyptic number.

12531823 is a deficient number, since it is larger than the sum of its proper divisors (244577).

12531823 is a wasteful number, since it uses less digits than its factorization.

12531823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241.

The product of its digits is 1440, while the sum is 25.

The square root of 12531823 is about 3540.0314970350. The cubic root of 12531823 is about 232.2762204945.

The spelling of 12531823 in words is "twelve million, five hundred thirty-one thousand, eight hundred twenty-three".