12942719 has 8 divisors (see below), whose sum is σ = 13271040. Its totient is φ = 12616696.

The previous prime is 12942701. The next prime is 12942737. The reversal of 12942719 is 91724921.

It is an interprime number because it is at equal distance from previous prime (12942701) and next prime (12942737).

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

It is a cyclic number.

It is not a de Polignac number, because 12942719 - 2¹² = 12938623 is a prime.

It is a super-2 number, since 2×12942719² = 335027950225922, 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 (12942739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17642 + ... + 18360.

It is an arithmetic number, because the mean of its divisors is an integer number (1658880).

Almost surely, 2^12942719 is an apocalyptic number.

12942719 is a deficient number, since it is larger than the sum of its proper divisors (328321).

12942719 is an equidigital number, since it uses as much as digits as its factorization.

12942719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149.

The product of its digits is 9072, while the sum is 35.

The square root of 12942719 is about 3597.5990604846. The cubic root of 12942719 is about 234.7876095200.

The spelling of 12942719 in words is "twelve million, nine hundred forty-two thousand, seven hundred nineteen".