12130519 has 4 divisors (see below), whose sum is σ = 12143296. Its totient is φ = 12117744.

The previous prime is 12130507. The next prime is 12130523. The reversal of 12130519 is 91503121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91503121 = 241 ⋅379681.

It is a cyclic number.

It is not a de Polignac number, because 12130519 - 2⁹ = 12130007 is a prime.

It is a super-2 number, since 2×12130519² = 294298982418722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12130519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130319) 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 3 ways as a sum of consecutive naturals, for example, 4839 + ... + 6904.

It is an arithmetic number, because the mean of its divisors is an integer number (3035824).

Almost surely, 2^12130519 is an apocalyptic number.

12130519 is a deficient number, since it is larger than the sum of its proper divisors (12777).

12130519 is a wasteful number, since it uses less digits than its factorization.

12130519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12776.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 12130519 is about 3482.8894613525. The cubic root of 12130519 is about 229.7698958925.

The spelling of 12130519 in words is "twelve million, one hundred thirty thousand, five hundred nineteen".