13532641 has 4 divisors (see below), whose sum is σ = 13540500. Its totient is φ = 13524784.

The previous prime is 13532633. The next prime is 13532657. The reversal of 13532641 is 14623531.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5290000 + 8242641 = 2300^2 + 2871^2 .

It is a cyclic number.

It is not a de Polignac number, because 13532641 - 2³ = 13532633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13532041) 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, 106 + ... + 5203.

It is an arithmetic number, because the mean of its divisors is an integer number (3385125).

Almost surely, 2^13532641 is an apocalyptic number.

It is an amenable number.

13532641 is a deficient number, since it is larger than the sum of its proper divisors (7859).

13532641 is an equidigital number, since it uses as much as digits as its factorization.

13532641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7858.

The product of its digits is 2160, while the sum is 25.

The square root of 13532641 is about 3678.6738099484. The cubic root of 13532641 is about 238.3019083653.

The spelling of 13532641 in words is "thirteen million, five hundred thirty-two thousand, six hundred forty-one".