13504122 has 12 divisors (see below), whose sum is σ = 29258970. Its totient is φ = 4501368.

The previous prime is 13504109. The next prime is 13504157. The reversal of 13504122 is 22140531.

It can be written as a sum of positive squares in only one way, i.e., 10751841 + 2752281 = 3279^2 + 1659^2 .

It is a super-2 number, since 2×13504122² = 364722621981768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 750229 = 13504122 / (1 + 3 + 5 + 0 + 4 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 13504095 and 13504104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 375097 + ... + 375132.

Almost surely, 2^13504122 is an apocalyptic number.

13504122 is an abundant number, since it is smaller than the sum of its proper divisors (15754848).

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

13504122 is a wasteful number, since it uses less digits than its factorization.

13504122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750237 (or 750234 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 13504122 is about 3674.7955045145. The cubic root of 13504122 is about 238.1343896519.

Adding to 13504122 its reverse (22140531), we get a palindrome (35644653).

The spelling of 13504122 in words is "thirteen million, five hundred four thousand, one hundred twenty-two".