13044691 has 8 divisors (see below), whose sum is σ = 14364864. Its totient is φ = 11746920.

The previous prime is 13044679. The next prime is 13044701. The reversal of 13044691 is 19644031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13044691 is a prime.

It is a super-3 number, since 3×13044691³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13044631) 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 7 ways as a sum of consecutive naturals, for example, 4365 + ... + 6718.

It is an arithmetic number, because the mean of its divisors is an integer number (1795608).

Almost surely, 2^13044691 is an apocalyptic number.

13044691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13044691 is a deficient number, since it is larger than the sum of its proper divisors (1320173).

13044691 is a wasteful number, since it uses less digits than its factorization.

13044691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11201.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13044691 is about 3611.7434848007. The cubic root of 13044691 is about 235.4026054654.

It can be divided in two parts, 1304 and 4691, that added together give a palindrome (5995).

The spelling of 13044691 in words is "thirteen million, forty-four thousand, six hundred ninety-one".