13124189 has 8 divisors (see below), whose sum is σ = 14238840. Its totient is φ = 12024576.

The previous prime is 13124179. The next prime is 13124201. The reversal of 13124189 is 98142131.

It can be written as a sum of positive squares in 4 ways, for example, as 2948089 + 10176100 = 1717^2 + 3190^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13124189 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 (13124149) 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, 1904 + ... + 5465.

It is an arithmetic number, because the mean of its divisors is an integer number (1779855).

Almost surely, 2^13124189 is an apocalyptic number.

It is an amenable number.

13124189 is a deficient number, since it is larger than the sum of its proper divisors (1114651).

13124189 is a wasteful number, since it uses less digits than its factorization.

13124189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7519.

The product of its digits is 1728, while the sum is 29.

The square root of 13124189 is about 3622.7322561845. The cubic root of 13124189 is about 235.8798404398.

The spelling of 13124189 in words is "thirteen million, one hundred twenty-four thousand, one hundred eighty-nine".