13263715 has 4 divisors (see below), whose sum is σ = 15916464. Its totient is φ = 10610968.

The previous prime is 13263713. The next prime is 13263739. The reversal of 13263715 is 51736231.

13263715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51736231 = 79 ⋅654889.

It is a cyclic number.

It is not a de Polignac number, because 13263715 - 2¹ = 13263713 is a prime.

It is a super-2 number, since 2×13263715² = 351852271202450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13263713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326367 + ... + 1326376.

It is an arithmetic number, because the mean of its divisors is an integer number (3979116).

Almost surely, 2^13263715 is an apocalyptic number.

13263715 is a deficient number, since it is larger than the sum of its proper divisors (2652749).

13263715 is an equidigital number, since it uses as much as digits as its factorization.

13263715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652748.

The product of its digits is 3780, while the sum is 28.

The square root of 13263715 is about 3641.9383575234. The cubic root of 13263715 is about 236.7127916007.

Adding to 13263715 its reverse (51736231), we get a palindrome (64999946).

It can be divided in two parts, 1326 and 3715, that added together give a square (5041 = 71²).

The spelling of 13263715 in words is "thirteen million, two hundred sixty-three thousand, seven hundred fifteen".