13036993 has 4 divisors (see below), whose sum is σ = 13283028. Its totient is φ = 12790960.

The previous prime is 13036973. The next prime is 13036999. The reversal of 13036993 is 39963031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39963031 = 4111 ⋅9721.

It can be written as a sum of positive squares in 2 ways, for example, as 10870209 + 2166784 = 3297^2 + 1472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13036993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13036999) 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, 122938 + ... + 123043.

It is an arithmetic number, because the mean of its divisors is an integer number (3320757).

Almost surely, 2^13036993 is an apocalyptic number.

It is an amenable number.

13036993 is a deficient number, since it is larger than the sum of its proper divisors (246035).

13036993 is an equidigital number, since it uses as much as digits as its factorization.

13036993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246034.

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 13036993 is about 3610.6776372310. The cubic root of 13036993 is about 235.3562906891.

The spelling of 13036993 in words is "thirteen million, thirty-six thousand, nine hundred ninety-three".