13241447 has 4 divisors (see below), whose sum is σ = 13284336. Its totient is φ = 13198560.

The previous prime is 13241387. The next prime is 13241471. The reversal of 13241447 is 74414231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74414231 = 83 ⋅896557.

It is a cyclic number.

It is not a de Polignac number, because 13241447 - 2⁸ = 13241191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13241477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20978 + ... + 21599.

It is an arithmetic number, because the mean of its divisors is an integer number (3321084).

Almost surely, 2^13241447 is an apocalyptic number.

13241447 is a deficient number, since it is larger than the sum of its proper divisors (42889).

13241447 is an equidigital number, since it uses as much as digits as its factorization.

13241447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42888.

The product of its digits is 2688, while the sum is 26.

The square root of 13241447 is about 3638.8799100822. The cubic root of 13241447 is about 236.5802477135.

Adding to 13241447 its reverse (74414231), we get a palindrome (87655678).

The spelling of 13241447 in words is "thirteen million, two hundred forty-one thousand, four hundred forty-seven".