12536743 has 4 divisors (see below), whose sum is σ = 12582280. Its totient is φ = 12491208.

The previous prime is 12536723. The next prime is 12536753. The reversal of 12536743 is 34763521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12536743 - 2⁹ = 12536231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12536723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22353 + ... + 22906.

It is an arithmetic number, because the mean of its divisors is an integer number (3145570).

Almost surely, 2^12536743 is an apocalyptic number.

12536743 is a deficient number, since it is larger than the sum of its proper divisors (45537).

12536743 is an equidigital number, since it uses as much as digits as its factorization.

12536743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45536.

The product of its digits is 15120, while the sum is 31.

The square root of 12536743 is about 3540.7263379143. The cubic root of 12536743 is about 232.3066137709.

The spelling of 12536743 in words is "twelve million, five hundred thirty-six thousand, seven hundred forty-three".