12684733 has 4 divisors (see below), whose sum is σ = 12695200. Its totient is φ = 12674268.

The previous prime is 12684731. The next prime is 12684773. The reversal of 12684733 is 33748621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 33748621 = 17 ⋅1985213.

It is a cyclic number.

It is not a de Polignac number, because 12684733 - 2¹ = 12684731 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 (12684731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3135 + ... + 5932.

It is an arithmetic number, because the mean of its divisors is an integer number (3173800).

Almost surely, 2^12684733 is an apocalyptic number.

It is an amenable number.

12684733 is a deficient number, since it is larger than the sum of its proper divisors (10467).

12684733 is an equidigital number, since it uses as much as digits as its factorization.

12684733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10466.

The product of its digits is 24192, while the sum is 34.

The square root of 12684733 is about 3561.5632803588. The cubic root of 12684733 is about 233.2171283048.

The spelling of 12684733 in words is "twelve million, six hundred eighty-four thousand, seven hundred thirty-three".