12310309 has 8 divisors (see below), whose sum is σ = 14136480. Its totient is φ = 10602000.

The previous prime is 12310303. The next prime is 12310321. The reversal of 12310309 is 90301321.

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

It is not a de Polignac number, because 12310309 - 2³ = 12310301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310301) 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, 29242 + ... + 29659.

It is an arithmetic number, because the mean of its divisors is an integer number (1767060).

Almost surely, 2^12310309 is an apocalyptic number.

12310309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12310309 is a deficient number, since it is larger than the sum of its proper divisors (1826171).

12310309 is a wasteful number, since it uses less digits than its factorization.

12310309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58931.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 12310309 is about 3508.6049934411. The cubic root of 12310309 is about 230.8994958926.

The spelling of 12310309 in words is "twelve million, three hundred ten thousand, three hundred nine".