13580247 has 8 divisors (see below), whose sum is σ = 18404080. Its totient is φ = 8904960.

The previous prime is 13580233. The next prime is 13580261. The reversal of 13580247 is 74208531.

It is an interprime number because it is at equal distance from previous prime (13580233) and next prime (13580261).

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

It is not a de Polignac number, because 13580247 - 2⁶ = 13580183 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 (13580267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36922 + ... + 37287.

It is an arithmetic number, because the mean of its divisors is an integer number (2300510).

Almost surely, 2^13580247 is an apocalyptic number.

13580247 is a deficient number, since it is larger than the sum of its proper divisors (4823833).

13580247 is an equidigital number, since it uses as much as digits as its factorization.

13580247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74273.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 13580247 is about 3685.1386676759. The cubic root of 13580247 is about 238.5810192860.

Adding to 13580247 its reverse (74208531), we get a palindrome (87788778).

The spelling of 13580247 in words is "thirteen million, five hundred eighty thousand, two hundred forty-seven".