12732719 has 4 divisors (see below), whose sum is σ = 12757680. Its totient is φ = 12707760.

The previous prime is 12732703. The next prime is 12732721. The reversal of 12732719 is 91723721.

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 12732719 - 2⁴ = 12732703 is a prime.

It is a super-2 number, since 2×12732719² = 324244266265922, 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 (12732739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11699 + ... + 12740.

It is an arithmetic number, because the mean of its divisors is an integer number (3189420).

Almost surely, 2^12732719 is an apocalyptic number.

12732719 is a deficient number, since it is larger than the sum of its proper divisors (24961).

12732719 is an equidigital number, since it uses as much as digits as its factorization.

12732719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24960.

The product of its digits is 5292, while the sum is 32.

The square root of 12732719 is about 3568.2935697613. The cubic root of 12732719 is about 233.5108429289.

The spelling of 12732719 in words is "twelve million, seven hundred thirty-two thousand, seven hundred nineteen".