13243571 has 6 divisors (see below), whose sum is σ = 14557116. Its totient is φ = 12039500.

The previous prime is 13243547. The next prime is 13243579. The reversal of 13243571 is 17534231.

It is not a de Polignac number, because 13243571 - 2¹⁰ = 13242547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13243571.

It is not an unprimeable number, because it can be changed into a prime (13243579) 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 5 ways as a sum of consecutive naturals, for example, 54605 + ... + 54846.

It is an arithmetic number, because the mean of its divisors is an integer number (2426186).

Almost surely, 2^13243571 is an apocalyptic number.

13243571 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13243571 is a deficient number, since it is larger than the sum of its proper divisors (1313545).

13243571 is a wasteful number, since it uses less digits than its factorization.

13243571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109473 (or 109462 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 13243571 is about 3639.1717464280. The cubic root of 13243571 is about 236.5928966227.

The spelling of 13243571 in words is "thirteen million, two hundred forty-three thousand, five hundred seventy-one".