13143049 has 4 divisors (see below), whose sum is σ = 13162500. Its totient is φ = 13123600.

The previous prime is 13143043. The next prime is 13143059. The reversal of 13143049 is 94034131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10017225 + 3125824 = 3165^2 + 1768^2 .

It is a cyclic number.

It is not a de Polignac number, because 13143049 - 2⁹ = 13142537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13143043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8674 + ... + 10075.

It is an arithmetic number, because the mean of its divisors is an integer number (3290625).

Almost surely, 2^13143049 is an apocalyptic number.

It is an amenable number.

13143049 is a deficient number, since it is larger than the sum of its proper divisors (19451).

13143049 is an equidigital number, since it uses as much as digits as its factorization.

13143049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19450.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 13143049 is about 3625.3343294102. The cubic root of 13143049 is about 235.9927760405.

The spelling of 13143049 in words is "thirteen million, one hundred forty-three thousand, forty-nine".