13113705 has 64 divisors (see below), whose sum is σ = 24883200. Its totient is φ = 5829120.

The previous prime is 13113701. The next prime is 13113707. The reversal of 13113705 is 50731131.

It is not a de Polignac number, because 13113705 - 2² = 13113701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13113701) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147301 + ... + 147389.

It is an arithmetic number, because the mean of its divisors is an integer number (388800).

Almost surely, 2^13113705 is an apocalyptic number.

13113705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13113705 is a deficient number, since it is larger than the sum of its proper divisors (11769495).

13113705 is a wasteful number, since it uses less digits than its factorization.

13113705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 13113705 is about 3621.2849929272. The cubic root of 13113705 is about 235.8170143855.

Adding to 13113705 its reverse (50731131), we get a palindrome (63844836).

The spelling of 13113705 in words is "thirteen million, one hundred thirteen thousand, seven hundred five".