12803789 has 2 divisors, whose sum is σ = 12803790. Its totient is φ = 12803788.

The previous prime is 12803783. The next prime is 12803797. The reversal of 12803789 is 98730821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8970025 + 3833764 = 2995^2 + 1958^2 .

It is a cyclic number.

It is not a de Polignac number, because 12803789 - 2¹² = 12799693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12803783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6401894 + 6401895.

It is an arithmetic number, because the mean of its divisors is an integer number (6401895).

Almost surely, 2^12803789 is an apocalyptic number.

It is an amenable number.

12803789 is a deficient number, since it is larger than the sum of its proper divisors (1).

12803789 is an equidigital number, since it uses as much as digits as its factorization.

12803789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 12803789 is about 3578.2382536662. The cubic root of 12803789 is about 233.9444982449.

The spelling of 12803789 in words is "twelve million, eight hundred three thousand, seven hundred eighty-nine".