13375143 has 24 divisors (see below), whose sum is σ = 20123376. Its totient is φ = 8553600.

The previous prime is 13375139. The next prime is 13375147. The reversal of 13375143 is 34157331.

13375143 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13375139) and next prime (13375147).

It is not a de Polignac number, because 13375143 - 2² = 13375139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13375147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24453 + ... + 24993.

It is an arithmetic number, because the mean of its divisors is an integer number (838474).

Almost surely, 2^13375143 is an apocalyptic number.

13375143 is a deficient number, since it is larger than the sum of its proper divisors (6748233).

13375143 is a wasteful number, since it uses less digits than its factorization.

13375143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 652 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 13375143 is about 3657.2042600872. The cubic root of 13375143 is about 237.3738158879.

The spelling of 13375143 in words is "thirteen million, three hundred seventy-five thousand, one hundred forty-three".