12310813 has 8 divisors (see below), whose sum is σ = 12803840. Its totient is φ = 11823840.

The previous prime is 12310801. The next prime is 12310817. The reversal of 12310813 is 31801321.

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

It is a cyclic number.

It is not a de Polignac number, because 12310813 - 2⁹ = 12310301 is a prime.

It is a super-2 number, since 2×12310813² = 303112233441938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310817) 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, 2881 + ... + 5737.

It is an arithmetic number, because the mean of its divisors is an integer number (1600480).

Almost surely, 2^12310813 is an apocalyptic number.

It is an amenable number.

12310813 is a deficient number, since it is larger than the sum of its proper divisors (493027).

12310813 is a wasteful number, since it uses less digits than its factorization.

12310813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 12310813 is about 3508.6768161231. The cubic root of 12310813 is about 230.9026469577.

The spelling of 12310813 in words is "twelve million, three hundred ten thousand, eight hundred thirteen".