13195143 has 24 divisors (see below), whose sum is σ = 21291088. Its totient is φ = 8118144.

The previous prime is 13195103. The next prime is 13195163. The reversal of 13195143 is 34159131.

It is not a de Polignac number, because 13195143 - 2¹⁰ = 13194119 is a prime.

It is a super-2 number, since 2×13195143² = 348223597580898, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13195103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1071 + ... + 5247.

Almost surely, 2^13195143 is an apocalyptic number.

13195143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13195143 is a deficient number, since it is larger than the sum of its proper divisors (8095945).

13195143 is an equidigital number, since it uses as much as digits as its factorization.

13195143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205 (or 4193 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 13195143 is about 3632.5119407925. The cubic root of 13195143 is about 236.3041599186.

The spelling of 13195143 in words is "thirteen million, one hundred ninety-five thousand, one hundred forty-three".