12723488 has 24 divisors (see below), whose sum is σ = 25175808. Its totient is φ = 6329664.

The previous prime is 12723481. The next prime is 12723509. The reversal of 12723488 is 88432721.

It is a Cunningham number, because it is equal to 3567²-1.

It is a super-2 number, since 2×12723488² = 323774293772288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12723481) 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 3 ways as a sum of consecutive naturals, for example, 6245 + ... + 8027.

It is an arithmetic number, because the mean of its divisors is an integer number (1048992).

Almost surely, 2^12723488 is an apocalyptic number.

It is an amenable number.

12723488 is a deficient number, since it is larger than the sum of its proper divisors (12452320).

12723488 is a wasteful number, since it uses less digits than its factorization.

12723488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 2008 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 12723488 is about 3566.9998598262. Note that the first 3 decimals coincide. The cubic root of 12723488 is about 233.4543988520.

The spelling of 12723488 in words is "twelve million, seven hundred twenty-three thousand, four hundred eighty-eight".