12719215 has 4 divisors (see below), whose sum is σ = 15263064. Its totient is φ = 10175368.

The previous prime is 12719209. The next prime is 12719243. The reversal of 12719215 is 51291721.

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 12719215 - 2¹⁵ = 12686447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1271917 + ... + 1271926.

It is an arithmetic number, because the mean of its divisors is an integer number (3815766).

Almost surely, 2^12719215 is an apocalyptic number.

12719215 is a deficient number, since it is larger than the sum of its proper divisors (2543849).

12719215 is an equidigital number, since it uses as much as digits as its factorization.

12719215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543848.

The product of its digits is 1260, while the sum is 28.

The square root of 12719215 is about 3566.4008467922. The cubic root of 12719215 is about 233.4282618279.

The spelling of 12719215 in words is "twelve million, seven hundred nineteen thousand, two hundred fifteen".