12530719 has 4 divisors (see below), whose sum is σ = 12707280. Its totient is φ = 12354160.

The previous prime is 12530701. The next prime is 12530729. The reversal of 12530719 is 91703521.

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

It is a cyclic number.

It is not a de Polignac number, because 12530719 - 2¹¹ = 12528671 is a prime.

It is a super-2 number, since 2×12530719² = 314037837313922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530729) 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, 88174 + ... + 88315.

It is an arithmetic number, because the mean of its divisors is an integer number (3176820).

Almost surely, 2^12530719 is an apocalyptic number.

12530719 is a deficient number, since it is larger than the sum of its proper divisors (176561).

12530719 is an equidigital number, since it uses as much as digits as its factorization.

12530719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176560.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 12530719 is about 3539.8755627847. The cubic root of 12530719 is about 232.2693994470.

The spelling of 12530719 in words is "twelve million, five hundred thirty thousand, seven hundred nineteen".