12723452 has 12 divisors (see below), whose sum is σ = 25446960. Its totient is φ = 5452896.

The previous prime is 12723443. The next prime is 12723457. The reversal of 12723452 is 25432721.

12723452 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12723457) 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 3 ways as a sum of consecutive naturals, for example, 227177 + ... + 227232.

It is an arithmetic number, because the mean of its divisors is an integer number (2120580).

Almost surely, 2^12723452 is an apocalyptic number.

It is an amenable number.

12723452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12723452 is a wasteful number, since it uses less digits than its factorization.

12723452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454420 (or 454418 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 12723452 is about 3566.9948135651. The cubic root of 12723452 is about 233.4541786722.

The spelling of 12723452 in words is "twelve million, seven hundred twenty-three thousand, four hundred fifty-two".