13344661 has 4 divisors (see below), whose sum is σ = 14557824. Its totient is φ = 12131500.

The previous prime is 13344641. The next prime is 13344671. The reversal of 13344661 is 16644331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16644331 = 11 ⋅1513121.

It is a cyclic number.

It is not a de Polignac number, because 13344661 - 2⁷ = 13344533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13344641) 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, 606565 + ... + 606586.

It is an arithmetic number, because the mean of its divisors is an integer number (3639456).

Almost surely, 2^13344661 is an apocalyptic number.

13344661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13344661 is a deficient number, since it is larger than the sum of its proper divisors (1213163).

13344661 is a wasteful number, since it uses less digits than its factorization.

13344661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213162.

The product of its digits is 5184, while the sum is 28.

The square root of 13344661 is about 3653.0344920354. The cubic root of 13344661 is about 237.1933534609.

Adding to 13344661 its reverse (16644331), we get a palindrome (29988992).

It can be divided in two parts, 1334 and 4661, that added together give a palindrome (5995).

The spelling of 13344661 in words is "thirteen million, three hundred forty-four thousand, six hundred sixty-one".