12533746 has 4 divisors (see below), whose sum is σ = 18800622. Its totient is φ = 6266872.

The previous prime is 12533737. The next prime is 12533753. The reversal of 12533746 is 64733521.

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

It can be written as a sum of positive squares in only one way, i.e., 7645225 + 4888521 = 2765^2 + 2211^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3133435 + ... + 3133438.

Almost surely, 2^12533746 is an apocalyptic number.

12533746 is a deficient number, since it is larger than the sum of its proper divisors (6266876).

12533746 is an equidigital number, since it uses as much as digits as its factorization.

12533746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266875.

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

The square root of 12533746 is about 3540.3030943692. The cubic root of 12533746 is about 232.2881007646.

The spelling of 12533746 in words is "twelve million, five hundred thirty-three thousand, seven hundred forty-six".