12919719 has 8 divisors (see below), whose sum is σ = 17252080. Its totient is φ = 8600256.

The previous prime is 12919717. The next prime is 12919727. The reversal of 12919719 is 91791921.

12919719 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12919719 - 2¹ = 12919717 is a prime.

It is a super-2 number, since 2×12919719² = 333838278077922, 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 (12919717) 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, 574 + ... + 5115.

It is an arithmetic number, because the mean of its divisors is an integer number (2156510).

Almost surely, 2^12919719 is an apocalyptic number.

12919719 is a deficient number, since it is larger than the sum of its proper divisors (4332361).

12919719 is an equidigital number, since it uses as much as digits as its factorization.

12919719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6449.

The product of its digits is 10206, while the sum is 39.

The square root of 12919719 is about 3594.4010627641. The cubic root of 12919719 is about 234.6484497613.

The spelling of 12919719 in words is "twelve million, nine hundred nineteen thousand, seven hundred nineteen".