13232566 has 4 divisors (see below), whose sum is σ = 19848852. Its totient is φ = 6616282.

The previous prime is 13232561. The next prime is 13232573. The reversal of 13232566 is 66523231.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3308140 + ... + 3308143.

It is an arithmetic number, because the mean of its divisors is an integer number (4962213).

Almost surely, 2^13232566 is an apocalyptic number.

13232566 is a deficient number, since it is larger than the sum of its proper divisors (6616286).

13232566 is an equidigital number, since it uses as much as digits as its factorization.

13232566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6616285.

The product of its digits is 6480, while the sum is 28.

The square root of 13232566 is about 3637.6594123145. The cubic root of 13232566 is about 236.5273446563.

Adding to 13232566 its reverse (66523231), we get a palindrome (79755797).

The spelling of 13232566 in words is "thirteen million, two hundred thirty-two thousand, five hundred sixty-six".