13244347 has 4 divisors (see below), whose sum is σ = 13671616. Its totient is φ = 12817080.

The previous prime is 13244327. The next prime is 13244351. The reversal of 13244347 is 74344231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13244347 - 2⁷ = 13244219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13244327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213588 + ... + 213649.

It is an arithmetic number, because the mean of its divisors is an integer number (3417904).

Almost surely, 2^13244347 is an apocalyptic number.

13244347 is a deficient number, since it is larger than the sum of its proper divisors (427269).

13244347 is an equidigital number, since it uses as much as digits as its factorization.

13244347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427268.

The product of its digits is 8064, while the sum is 28.

The square root of 13244347 is about 3639.2783625329. The cubic root of 13244347 is about 236.5975175441.

Adding to 13244347 its reverse (74344231), we get a palindrome (87588578).

It can be divided in two parts, 1324 and 4347, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 13244347 in words is "thirteen million, two hundred forty-four thousand, three hundred forty-seven".