13613245 has 8 divisors (see below), whose sum is σ = 16533216. Its totient is φ = 10759056.

The previous prime is 13613239. The next prime is 13613269. The reversal of 13613245 is 54231631.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13613245 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15987 + ... + 16816.

It is an arithmetic number, because the mean of its divisors is an integer number (2066652).

Almost surely, 2^13613245 is an apocalyptic number.

It is an amenable number.

13613245 is a deficient number, since it is larger than the sum of its proper divisors (2919971).

13613245 is an equidigital number, since it uses as much as digits as its factorization.

13613245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32891.

The product of its digits is 2160, while the sum is 25.

The square root of 13613245 is about 3689.6131233505. The cubic root of 13613245 is about 238.7741018951.

Adding to 13613245 its reverse (54231631), we get a palindrome (67844876).

The spelling of 13613245 in words is "thirteen million, six hundred thirteen thousand, two hundred forty-five".