13401143 has 8 divisors (see below), whose sum is σ = 15343488. Its totient is φ = 11465784.

The previous prime is 13401131. The next prime is 13401149. The reversal of 13401143 is 34110431.

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 13401143 - 2⁸ = 13400887 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 (13401149) 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, 3380 + ... + 6182.

It is an arithmetic number, because the mean of its divisors is an integer number (1917936).

Almost surely, 2^13401143 is an apocalyptic number.

13401143 is a deficient number, since it is larger than the sum of its proper divisors (1942345).

13401143 is an equidigital number, since it uses as much as digits as its factorization.

13401143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3493.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13401143 is about 3660.7571621182. The cubic root of 13401143 is about 237.5275270033.

Adding to 13401143 its reverse (34110431), we get a palindrome (47511574).

The spelling of 13401143 in words is "thirteen million, four hundred one thousand, one hundred forty-three".