13245663 has 8 divisors (see below), whose sum is σ = 18270000. Its totient is φ = 8525888.

The previous prime is 13245647. The next prime is 13245691. The reversal of 13245663 is 36654231.

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 13245663 - 2⁴ = 13245647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13245663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13245613) 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, 76038 + ... + 76211.

It is an arithmetic number, because the mean of its divisors is an integer number (2283750).

Almost surely, 2^13245663 is an apocalyptic number.

13245663 is a deficient number, since it is larger than the sum of its proper divisors (5024337).

13245663 is a wasteful number, since it uses less digits than its factorization.

13245663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152281.

The product of its digits is 12960, while the sum is 30.

The square root of 13245663 is about 3639.4591631175. The cubic root of 13245663 is about 236.6053536425.

Adding to 13245663 its reverse (36654231), we get a palindrome (49899894).

The spelling of 13245663 in words is "thirteen million, two hundred forty-five thousand, six hundred sixty-three".