13504134 has 32 divisors (see below), whose sum is σ = 31527936. Its totient is φ = 3775680.

The previous prime is 13504109. The next prime is 13504157. The reversal of 13504134 is 43140531.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13504134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1447 + ... + 5394.

It is an arithmetic number, because the mean of its divisors is an integer number (985248).

Almost surely, 2^13504134 is an apocalyptic number.

13504134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13504134 is an abundant number, since it is smaller than the sum of its proper divisors (18023802).

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

13504134 is a wasteful number, since it uses less digits than its factorization.

13504134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6900.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13504134 is about 3674.7971372581. The cubic root of 13504134 is about 238.1344601886.

Adding to 13504134 its reverse (43140531), we get a palindrome (56644665).

The spelling of 13504134 in words is "thirteen million, five hundred four thousand, one hundred thirty-four".