13247043 has 4 divisors (see below), whose sum is σ = 17662728. Its totient is φ = 8831360.

The previous prime is 13247041. The next prime is 13247051. The reversal of 13247043 is 34074231.

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 13247043 - 2¹ = 13247041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13247041) 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, 2207838 + ... + 2207843.

It is an arithmetic number, because the mean of its divisors is an integer number (4415682).

Almost surely, 2^13247043 is an apocalyptic number.

13247043 is a deficient number, since it is larger than the sum of its proper divisors (4415685).

13247043 is an equidigital number, since it uses as much as digits as its factorization.

13247043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415684.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 13247043 is about 3639.6487467886. The cubic root of 13247043 is about 236.6135702703.

The spelling of 13247043 in words is "thirteen million, two hundred forty-seven thousand, forty-three".