13366331 has 4 divisors (see below), whose sum is σ = 14581464. Its totient is φ = 12151200.

The previous prime is 13366319. The next prime is 13366387.

13366331 is nontrivially palindromic in base 10.

13366331 is digitally balanced in base 3, 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13366331 is a prime.

It is a super-2 number, since 2×13366331² = 357317608803122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13366331.

It is not an unprimeable number, because it can be changed into a prime (13366831) 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, 607550 + ... + 607571.

It is an arithmetic number, because the mean of its divisors is an integer number (3645366).

Almost surely, 2^13366331 is an apocalyptic number.

13366331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13366331 is a deficient number, since it is larger than the sum of its proper divisors (1215133).

13366331 is a wasteful number, since it uses less digits than its factorization.

13366331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215132.

The product of its digits is 2916, while the sum is 26.

The square root of 13366331 is about 3655.9993161925. Note that the first 3 decimals coincide. The cubic root of 13366331 is about 237.3216744490.

It can be divided in two parts, 1336 and 6331, that added together give a palindrome (7667).

The spelling of 13366331 in words is "thirteen million, three hundred sixty-six thousand, three hundred thirty-one".