12239019 has 40 divisors (see below), whose sum is σ = 20124720. Its totient is φ = 7366464.

The previous prime is 12238999. The next prime is 12239027. The reversal of 12239019 is 91093221.

12239019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12239019 - 2⁸ = 12238763 is a prime.

It is a super-2 number, since 2×12239019² = 299587172164722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12238983 and 12239001.

It is not an unprimeable number, because it can be changed into a prime (12239069) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 62029 + ... + 62225.

It is an arithmetic number, because the mean of its divisors is an integer number (503118).

Almost surely, 2^12239019 is an apocalyptic number.

12239019 is a deficient number, since it is larger than the sum of its proper divisors (7885701).

12239019 is a wasteful number, since it uses less digits than its factorization.

12239019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 12239019 is about 3498.4309340046. The cubic root of 12239019 is about 230.4529134655.

The spelling of 12239019 in words is "twelve million, two hundred thirty-nine thousand, nineteen".