13326641 has 4 divisors (see below), whose sum is σ = 13339632. Its totient is φ = 13313652.

The previous prime is 13326613. The next prime is 13326653. The reversal of 13326641 is 14662331.

13326641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 13326641 - 2¹⁴ = 13310257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13326641.

It is not an unprimeable number, because it can be changed into a prime (13326611) 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, 4811 + ... + 7056.

It is an arithmetic number, because the mean of its divisors is an integer number (3334908).

Almost surely, 2^13326641 is an apocalyptic number.

It is an amenable number.

13326641 is a deficient number, since it is larger than the sum of its proper divisors (12991).

13326641 is a wasteful number, since it uses less digits than its factorization.

13326641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12990.

The product of its digits is 2592, while the sum is 26.

The square root of 13326641 is about 3650.5672162008. The cubic root of 13326641 is about 237.0865404671.

Adding to 13326641 its reverse (14662331), we get a palindrome (27988972).

The spelling of 13326641 in words is "thirteen million, three hundred twenty-six thousand, six hundred forty-one".