13362661 has 12 divisors (see below), whose sum is σ = 14867652. Its totient is φ = 11995776.

The previous prime is 13362659. The next prime is 13362667. The reversal of 13362661 is 16626331.

It can be written as a sum of positive squares in 6 ways, for example, as 2512225 + 10850436 = 1585^2 + 3294^2 .

It is not a de Polignac number, because 13362661 - 2¹ = 13362659 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 (13362667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5185 + ... + 7321.

It is an arithmetic number, because the mean of its divisors is an integer number (1238971).

Almost surely, 2^13362661 is an apocalyptic number.

It is an amenable number.

13362661 is a deficient number, since it is larger than the sum of its proper divisors (1504991).

13362661 is a wasteful number, since it uses less digits than its factorization.

13362661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200 (or 2187 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 13362661 is about 3655.4973669803. The cubic root of 13362661 is about 237.2999519516.

Adding to 13362661 its reverse (16626331), we get a palindrome (29988992).

The spelling of 13362661 in words is "thirteen million, three hundred sixty-two thousand, six hundred sixty-one".