12536746 has 4 divisors (see below), whose sum is σ = 18805122. Its totient is φ = 6268372.

The previous prime is 12536723. The next prime is 12536753. The reversal of 12536746 is 64763521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64763521 = 2251 ⋅28771.

It can be written as a sum of positive squares in only one way, i.e., 6558721 + 5978025 = 2561^2 + 2445^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3134185 + ... + 3134188.

Almost surely, 2^12536746 is an apocalyptic number.

12536746 is a deficient number, since it is larger than the sum of its proper divisors (6268376).

12536746 is an equidigital number, since it uses as much as digits as its factorization.

12536746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6268375.

The product of its digits is 30240, while the sum is 34.

The square root of 12536746 is about 3540.7267615562. The cubic root of 12536746 is about 232.3066323010.

The spelling of 12536746 in words is "twelve million, five hundred thirty-six thousand, seven hundred forty-six".