13232791 has 32 divisors (see below), whose sum is σ = 16623936. Its totient is φ = 10368000.

The previous prime is 13232789. The next prime is 13232801. The reversal of 13232791 is 19723231.

It is a 10-Lehmer number, since φ(13232791) divides (13232791-1)¹⁰.

It is a cyclic number.

It is not a de Polignac number, because 13232791 - 2¹ = 13232789 is a prime.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216901 + ... + 216961.

It is an arithmetic number, because the mean of its divisors is an integer number (519498).

Almost surely, 2^13232791 is an apocalyptic number.

13232791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13232791 is a deficient number, since it is larger than the sum of its proper divisors (3391145).

13232791 is a wasteful number, since it uses less digits than its factorization.

13232791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163.

The product of its digits is 2268, while the sum is 28.

The square root of 13232791 is about 3637.6903386627. The cubic root of 13232791 is about 236.5286852467.

It can be divided in two parts, 1323 and 2791, that added together give a palindrome (4114).

The spelling of 13232791 in words is "thirteen million, two hundred thirty-two thousand, seven hundred ninety-one".