12798719 has 8 divisors (see below), whose sum is σ = 13001472. Its totient is φ = 12597760.

The previous prime is 12798661. The next prime is 12798727. The reversal of 12798719 is 91789721.

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 12798719 - 2⁸ = 12798463 is a prime.

It is a super-2 number, since 2×12798719² = 327614416081922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12798719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12758719) 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, 21287 + ... + 21879.

It is an arithmetic number, because the mean of its divisors is an integer number (1625184).

Almost surely, 2^12798719 is an apocalyptic number.

12798719 is a deficient number, since it is larger than the sum of its proper divisors (202753).

12798719 is a wasteful number, since it uses less digits than its factorization.

12798719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897.

The product of its digits is 63504, while the sum is 44.

The square root of 12798719 is about 3577.5297343279. The cubic root of 12798719 is about 233.9136153244.

The spelling of 12798719 in words is "twelve million, seven hundred ninety-eight thousand, seven hundred nineteen".