13263705 has 96 divisors (see below), whose sum is σ = 29352960. Its totient is φ = 5391360.

The previous prime is 13263703. The next prime is 13263713. The reversal of 13263705 is 50736231.

It is a happy number.

13263705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13263705 - 2¹ = 13263703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13263703) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 167856 + ... + 167934.

It is an arithmetic number, because the mean of its divisors is an integer number (305760).

Almost surely, 2^13263705 is an apocalyptic number.

13263705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13263705 is an abundant number, since it is smaller than the sum of its proper divisors (16089255).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13263705 is a wasteful number, since it uses less digits than its factorization.

13263705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 13263705 is about 3641.9369846278. The cubic root of 13263705 is about 236.7127321118.

Adding to 13263705 its reverse (50736231), we get a palindrome (63999936).

The spelling of 13263705 in words is "thirteen million, two hundred sixty-three thousand, seven hundred five".