12389019 has 16 divisors (see below), whose sum is σ = 17318400. Its totient is φ = 7862976.

The previous prime is 12388993. The next prime is 12389021. The reversal of 12389019 is 91098321.

It is not a de Polignac number, because 12389019 - 2⁸ = 12388763 is a prime.

It is a super-2 number, since 2×12389019² = 306975583564722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12389099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28002 + ... + 28440.

It is an arithmetic number, because the mean of its divisors is an integer number (1082400).

Almost surely, 2^12389019 is an apocalyptic number.

12389019 is a deficient number, since it is larger than the sum of its proper divisors (4929381).

12389019 is a wasteful number, since it uses less digits than its factorization.

12389019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 12389019 is about 3519.8038297610. The cubic root of 12389019 is about 231.3905613430.

The spelling of 12389019 in words is "twelve million, three hundred eighty-nine thousand, nineteen".