13243613 has 8 divisors (see below), whose sum is σ = 13842048. Its totient is φ = 12658464.

The previous prime is 13243597. The next prime is 13243621. The reversal of 13243613 is 31634231.

13243613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13243613 - 2⁴ = 13243597 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 (13243213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256 + ... + 5297.

It is an arithmetic number, because the mean of its divisors is an integer number (1730256).

Almost surely, 2^13243613 is an apocalyptic number.

It is an amenable number.

13243613 is a deficient number, since it is larger than the sum of its proper divisors (598435).

13243613 is an equidigital number, since it uses as much as digits as its factorization.

13243613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6643.

The product of its digits is 1296, while the sum is 23.

The square root of 13243613 is about 3639.1775169673. The cubic root of 13243613 is about 236.5931467287.

Adding to 13243613 its reverse (31634231), we get a palindrome (44877844).

The spelling of 13243613 in words is "thirteen million, two hundred forty-three thousand, six hundred thirteen".