12819733 has 4 divisors (see below), whose sum is σ = 12867660. Its totient is φ = 12771808.

The previous prime is 12819707. The next prime is 12819739. The reversal of 12819733 is 33791821.

12819733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4765489 + 8054244 = 2183^2 + 2838^2 .

It is a cyclic number.

It is not a de Polignac number, because 12819733 - 2¹³ = 12811541 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 (12819739) 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, 23560 + ... + 24097.

It is an arithmetic number, because the mean of its divisors is an integer number (3216915).

Almost surely, 2^12819733 is an apocalyptic number.

It is an amenable number.

12819733 is a deficient number, since it is larger than the sum of its proper divisors (47927).

12819733 is an equidigital number, since it uses as much as digits as its factorization.

12819733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47926.

The product of its digits is 9072, while the sum is 34.

The square root of 12819733 is about 3580.4654725329. The cubic root of 12819733 is about 234.0415649251.

The spelling of 12819733 in words is "twelve million, eight hundred nineteen thousand, seven hundred thirty-three".