12743524 has 6 divisors (see below), whose sum is σ = 22301174. Its totient is φ = 6371760.

The previous prime is 12743513. The next prime is 12743527. The reversal of 12743524 is 42534721.

It can be written as a sum of positive squares in only one way, i.e., 10692900 + 2050624 = 3270^2 + 1432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12743492 and 12743501.

It is not an unprimeable number, because it can be changed into a prime (12743527) 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 as a sum of consecutive naturals, namely, 1592937 + ... + 1592944.

Almost surely, 2^12743524 is an apocalyptic number.

It is an amenable number.

12743524 is a deficient number, since it is larger than the sum of its proper divisors (9557650).

12743524 is a wasteful number, since it uses less digits than its factorization.

12743524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185885 (or 3185883 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 12743524 is about 3569.8072777112. The cubic root of 12743524 is about 233.5768767770.

The spelling of 12743524 in words is "twelve million, seven hundred forty-three thousand, five hundred twenty-four".