12723741 has 6 divisors (see below), whose sum is σ = 18378750. Its totient is φ = 8482488.

The previous prime is 12723731. The next prime is 12723791. The reversal of 12723741 is 14732721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12425625 + 298116 = 3525^2 + 546^2 .

It is not a de Polignac number, because 12723741 - 2⁵ = 12723709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12723731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 706866 + ... + 706883.

It is an arithmetic number, because the mean of its divisors is an integer number (3063125).

Almost surely, 2^12723741 is an apocalyptic number.

It is an amenable number.

12723741 is a deficient number, since it is larger than the sum of its proper divisors (5655009).

12723741 is a wasteful number, since it uses less digits than its factorization.

12723741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413755 (or 1413752 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 12723741 is about 3567.0353236266. The cubic root of 12723741 is about 233.4559462152.

The spelling of 12723741 in words is "twelve million, seven hundred twenty-three thousand, seven hundred forty-one".