13452661 has 6 divisors (see below), whose sum is σ = 14290850. Its totient is φ = 12661056.

The previous prime is 13452641. The next prime is 13452683. The reversal of 13452661 is 16625431.

It can be written as a sum of positive squares in 3 ways, for example, as 9492561 + 3960100 = 3081^2 + 1990^2 .

It is not a de Polignac number, because 13452661 - 2⁵ = 13452629 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 (13452601) 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 5 ways as a sum of consecutive naturals, for example, 22986 + ... + 23563.

Almost surely, 2^13452661 is an apocalyptic number.

It is an amenable number.

13452661 is a deficient number, since it is larger than the sum of its proper divisors (838189).

13452661 is an equidigital number, since it uses as much as digits as its factorization.

13452661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46583 (or 46566 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 13452661 is about 3667.7869349241. The cubic root of 13452661 is about 237.8315134050.

The spelling of 13452661 in words is "thirteen million, four hundred fifty-two thousand, six hundred sixty-one".