13201143 has 8 divisors (see below), whose sum is σ = 18528000. Its totient is φ = 8337528.

The previous prime is 13201127. The next prime is 13201147. The reversal of 13201143 is 34110231.

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

It is not a de Polignac number, because 13201143 - 2⁴ = 13201127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201147) 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, 115743 + ... + 115856.

It is an arithmetic number, because the mean of its divisors is an integer number (2316000).

Almost surely, 2^13201143 is an apocalyptic number.

13201143 is a deficient number, since it is larger than the sum of its proper divisors (5326857).

13201143 is a wasteful number, since it uses less digits than its factorization.

13201143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231621.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13201143 is about 3633.3377217099. The cubic root of 13201143 is about 236.3399713307.

Adding to 13201143 its reverse (34110231), we get a palindrome (47311374).

The spelling of 13201143 in words is "thirteen million, two hundred one thousand, one hundred forty-three".