13132447 has 8 divisors (see below), whose sum is σ = 13953600. Its totient is φ = 12335904.

The previous prime is 13132417. The next prime is 13132487. The reversal of 13132447 is 74423131.

13132447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13132447 - 2¹¹ = 13130399 is a prime.

It is a super-2 number, since 2×13132447² = 344922328415618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13132417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5047 + ... + 7192.

It is an arithmetic number, because the mean of its divisors is an integer number (1744200).

Almost surely, 2^13132447 is an apocalyptic number.

13132447 is a deficient number, since it is larger than the sum of its proper divisors (821153).

13132447 is a wasteful number, since it uses less digits than its factorization.

13132447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12305.

The product of its digits is 2016, while the sum is 25.

The square root of 13132447 is about 3623.8718244441. The cubic root of 13132447 is about 235.9293034914.

Adding to 13132447 its reverse (74423131), we get a palindrome (87555578).

The spelling of 13132447 in words is "thirteen million, one hundred thirty-two thousand, four hundred forty-seven".