13604143 has 8 divisors (see below), whose sum is σ = 15644288. Its totient is φ = 11588184.

The previous prime is 13604117. The next prime is 13604167. The reversal of 13604143 is 34140631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13604143 - 2⁵ = 13604111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13604243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4821 + ... + 7102.

It is an arithmetic number, because the mean of its divisors is an integer number (1955536).

Almost surely, 2^13604143 is an apocalyptic number.

13604143 is a deficient number, since it is larger than the sum of its proper divisors (2040145).

13604143 is a wasteful number, since it uses less digits than its factorization.

13604143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12093.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 13604143 is about 3688.3794544488. The cubic root of 13604143 is about 238.7208741642.

Adding to 13604143 its reverse (34140631), we get a palindrome (47744774).

The spelling of 13604143 in words is "thirteen million, six hundred four thousand, one hundred forty-three".