13241247 has 16 divisors (see below), whose sum is σ = 18352128. Its totient is φ = 8483040.

The previous prime is 13241243. The next prime is 13241257. The reversal of 13241247 is 74214231.

It is a happy number.

It is not a de Polignac number, because 13241247 - 2² = 13241243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13241243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15678 + ... + 16500.

It is an arithmetic number, because the mean of its divisors is an integer number (1147008).

Almost surely, 2^13241247 is an apocalyptic number.

13241247 is a deficient number, since it is larger than the sum of its proper divisors (5110881).

13241247 is a wasteful number, since it uses less digits than its factorization.

13241247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030.

The product of its digits is 1344, while the sum is 24.

The square root of 13241247 is about 3638.8524289946. The cubic root of 13241247 is about 236.5790565978.

Adding to 13241247 its reverse (74214231), we get a palindrome (87455478).

The spelling of 13241247 in words is "thirteen million, two hundred forty-one thousand, two hundred forty-seven".