13730115 has 32 divisors (see below), whose sum is σ = 25698816. Its totient is φ = 6128640.

The previous prime is 13730111. The next prime is 13730147. The reversal of 13730115 is 51103731.

It is not a de Polignac number, because 13730115 - 2² = 13730111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 13730091 and 13730100.

It is not an unprimeable number, because it can be changed into a prime (13730111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2995 + ... + 6035.

It is an arithmetic number, because the mean of its divisors is an integer number (803088).

Almost surely, 2^13730115 is an apocalyptic number.

13730115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13730115 is a deficient number, since it is larger than the sum of its proper divisors (11968701).

13730115 is a wasteful number, since it uses less digits than its factorization.

13730115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099.

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

The square root of 13730115 is about 3705.4169805840. The cubic root of 13730115 is about 239.4554493983.

Adding to 13730115 its reverse (51103731), we get a palindrome (64833846).

The spelling of 13730115 in words is "thirteen million, seven hundred thirty thousand, one hundred fifteen".