12306723 has 16 divisors (see below), whose sum is σ = 19278336. Its totient is φ = 6884640.

The previous prime is 12306719. The next prime is 12306727. The reversal of 12306723 is 32760321.

It is an interprime number because it is at equal distance from previous prime (12306719) and next prime (12306727).

It is not a de Polignac number, because 12306723 - 2² = 12306719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12306693 and 12306702.

It is not an unprimeable number, because it can be changed into a prime (12306727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13915 + ... + 14772.

It is an arithmetic number, because the mean of its divisors is an integer number (1204896).

Almost surely, 2^12306723 is an apocalyptic number.

12306723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12306723 is a deficient number, since it is larger than the sum of its proper divisors (6971613).

12306723 is a wasteful number, since it uses less digits than its factorization.

12306723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28714.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 12306723 is about 3508.0939269067. The cubic root of 12306723 is about 230.8770733304.

The spelling of 12306723 in words is "twelve million, three hundred six thousand, seven hundred twenty-three".