13243263 has 8 divisors (see below), whose sum is σ = 19262976. Its totient is φ = 8026200.

The previous prime is 13243259. The next prime is 13243271. The reversal of 13243263 is 36234231.

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

It is not a de Polignac number, because 13243263 - 2² = 13243259 is a prime.

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, 200623 + ... + 200688.

It is an arithmetic number, because the mean of its divisors is an integer number (2407872).

Almost surely, 2^13243263 is an apocalyptic number.

13243263 is a deficient number, since it is larger than the sum of its proper divisors (6019713).

13243263 is a wasteful number, since it uses less digits than its factorization.

13243263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401325.

The product of its digits is 2592, while the sum is 24.

The square root of 13243263 is about 3639.1294288607. The cubic root of 13243263 is about 236.5910624956.

Adding to 13243263 its reverse (36234231), we get a palindrome (49477494).

The spelling of 13243263 in words is "thirteen million, two hundred forty-three thousand, two hundred sixty-three".