23986013 has 4 divisors (see below), whose sum is σ = 23997600. Its totient is φ = 23974428.

The previous prime is 23986009. The next prime is 23986021. The reversal of 23986013 is 31068932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23986013 - 2² = 23986009 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 (23986003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745 + ... + 7142.

It is an arithmetic number, because the mean of its divisors is an integer number (5999400).

Almost surely, 2^23986013 is an apocalyptic number.

It is an amenable number.

23986013 is a deficient number, since it is larger than the sum of its proper divisors (11587).

23986013 is an equidigital number, since it uses as much as digits as its factorization.

23986013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11586.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 23986013 is about 4897.5517353061. The cubic root of 23986013 is about 288.3938677702.

The spelling of 23986013 in words is "twenty-three million, nine hundred eighty-six thousand, thirteen".