13040115 has 16 divisors (see below), whose sum is σ = 22761216. Its totient is φ = 6322400.

The previous prime is 13040107. The next prime is 13040117. The reversal of 13040115 is 51104031.

13040115 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13040115 - 2³ = 13040107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 13040094 and 13040103.

It is not an unprimeable number, because it can be changed into a prime (13040117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39351 + ... + 39680.

It is an arithmetic number, because the mean of its divisors is an integer number (1422576).

Almost surely, 2^13040115 is an apocalyptic number.

13040115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13040115 is a deficient number, since it is larger than the sum of its proper divisors (9721101).

13040115 is a wasteful number, since it uses less digits than its factorization.

13040115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79050.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 13040115 is about 3611.1099401708. The cubic root of 13040115 is about 235.3750763016.

Adding to 13040115 its reverse (51104031), we get a palindrome (64144146).

The spelling of 13040115 in words is "thirteen million, forty thousand, one hundred fifteen".