13040118 has 96 divisors (see below), whose sum is σ = 36691200. Its totient is φ = 3250368.

The previous prime is 13040117. The next prime is 13040123. The reversal of 13040118 is 81104031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 13040118.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 30913 + ... + 31331.

It is an arithmetic number, because the mean of its divisors is an integer number (382200).

Almost surely, 2^13040118 is an apocalyptic number.

13040118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13040118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18345600).

13040118 is an abundant number, since it is smaller than the sum of its proper divisors (23651082).

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

13040118 is a wasteful number, since it uses less digits than its factorization.

13040118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 13040118 is about 3611.1103555555. The cubic root of 13040118 is about 235.3750943516.

Adding to 13040118 its reverse (81104031), we get a palindrome (94144149).

The spelling of 13040118 in words is "thirteen million, forty thousand, one hundred eighteen".