13352661 has 64 divisors (see below), whose sum is σ = 24330240. Its totient is φ = 7076160.

The previous prime is 13352641. The next prime is 13352663. The reversal of 13352661 is 16625331.

13352661 = T₄₄₈ + T₄₄₉ + ... + T₅₅₃.

13352661 is a `hidden beast` number, since 133 + 526 + 6 + 1 = 666.

It is not a de Polignac number, because 13352661 - 2⁵ = 13352629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13352663) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 251911 + ... + 251963.

It is an arithmetic number, because the mean of its divisors is an integer number (380160).

Almost surely, 2^13352661 is an apocalyptic number.

It is an amenable number.

13352661 is a deficient number, since it is larger than the sum of its proper divisors (10977579).

13352661 is a wasteful number, since it uses less digits than its factorization.

13352661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 137 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 13352661 is about 3654.1293080568. The cubic root of 13352661 is about 237.2407423946.

Adding to 13352661 its reverse (16625331), we get a palindrome (29977992).

The spelling of 13352661 in words is "thirteen million, three hundred fifty-two thousand, six hundred sixty-one".