13402118 has 16 divisors (see below), whose sum is σ = 20898000. Its totient is φ = 6438432.

The previous prime is 13402099. The next prime is 13402133. The reversal of 13402118 is 81120431.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13402118.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15173 + ... + 16031.

It is an arithmetic number, because the mean of its divisors is an integer number (1306125).

Almost surely, 2^13402118 is an apocalyptic number.

13402118 is a deficient number, since it is larger than the sum of its proper divisors (7495882).

13402118 is a wasteful number, since it uses less digits than its factorization.

13402118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 13402118 is about 3660.8903288681. The cubic root of 13402118 is about 237.5332873011.

Adding to 13402118 its reverse (81120431), we get a palindrome (94522549).

The spelling of 13402118 in words is "thirteen million, four hundred two thousand, one hundred eighteen".