12810733 has 8 divisors (see below), whose sum is σ = 13898808. Its totient is φ = 11737344.

The previous prime is 12810727. The next prime is 12810757. The reversal of 12810733 is 33701821.

It can be written as a sum of positive squares in 4 ways, for example, as 8649 + 12802084 = 93^2 + 3578^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12810733 - 2²¹ = 10713581 is a prime.

It is a super-2 number, since 2×12810733² = 328229759994578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12810698 and 12810707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12810773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1816 + ... + 5377.

It is an arithmetic number, because the mean of its divisors is an integer number (1737351).

Almost surely, 2^12810733 is an apocalyptic number.

12810733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12810733 is a deficient number, since it is larger than the sum of its proper divisors (1088075).

12810733 is a wasteful number, since it uses less digits than its factorization.

12810733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7343.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12810733 is about 3579.2084320419. The cubic root of 12810733 is about 233.9867830458.

The spelling of 12810733 in words is "twelve million, eight hundred ten thousand, seven hundred thirty-three".