12726312 has 32 divisors (see below), whose sum is σ = 31905600. Its totient is φ = 4230144.

The previous prime is 12726299. The next prime is 12726313. The reversal of 12726312 is 21362721.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12726313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13389 + ... + 14307.

It is an arithmetic number, because the mean of its divisors is an integer number (997050).

Almost surely, 2^12726312 is an apocalyptic number.

12726312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12726312 is an abundant number, since it is smaller than the sum of its proper divisors (19179288).

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

12726312 is a wasteful number, since it uses less digits than its factorization.

12726312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505 (or 1501 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 12726312 is about 3567.3956887343. The cubic root of 12726312 is about 233.4716694425.

The spelling of 12726312 in words is "twelve million, seven hundred twenty-six thousand, three hundred twelve".