12323730 has 32 divisors (see below), whose sum is σ = 29703744. Its totient is φ = 3272256.

The previous prime is 12323713. The next prime is 12323737. The reversal of 12323730 is 3732321.

It is a super-2 number, since 2×12323730² = 303748642225800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12323697 and 12323706.

It is not an unprimeable number, because it can be changed into a prime (12323737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7569 + ... + 9051.

It is an arithmetic number, because the mean of its divisors is an integer number (928242).

Almost surely, 2^12323730 is an apocalyptic number.

12323730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12323730 is an abundant number, since it is smaller than the sum of its proper divisors (17380014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12323730 is a wasteful number, since it uses less digits than its factorization.

12323730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 12323730 is about 3510.5170559335. The cubic root of 12323730 is about 230.9833761767.

The spelling of 12323730 in words is "twelve million, three hundred twenty-three thousand, seven hundred thirty".