12798019 has 16 divisors (see below), whose sum is σ = 14464800. Its totient is φ = 11241216.

The previous prime is 12798007. The next prime is 12798029. The reversal of 12798019 is 91089721.

It is a cyclic number.

It is not a de Polignac number, because 12798019 - 2⁵ = 12797987 is a prime.

It is a super-2 number, since 2×12798019² = 327578580648722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12798029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31087 + ... + 31495.

It is an arithmetic number, because the mean of its divisors is an integer number (904050).

Almost surely, 2^12798019 is an apocalyptic number.

12798019 is a deficient number, since it is larger than the sum of its proper divisors (1666781).

12798019 is a wasteful number, since it uses less digits than its factorization.

12798019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 12798019 is about 3577.4319001205. The cubic root of 12798019 is about 233.9093507695.

The spelling of 12798019 in words is "twelve million, seven hundred ninety-eight thousand, nineteen".