12409119 has 20 divisors (see below), whose sum is σ = 18643680. Its totient is φ = 8225280.

The previous prime is 12409091. The next prime is 12409127. The reversal of 12409119 is 91190421.

It is not a de Polignac number, because 12409119 - 2¹² = 12405023 is a prime.

It is a super-2 number, since 2×12409119² = 307972468712322, 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 = 12409092 and 12409101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12409139) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19039 + ... + 19679.

It is an arithmetic number, because the mean of its divisors is an integer number (932184).

Almost surely, 2^12409119 is an apocalyptic number.

12409119 is a deficient number, since it is larger than the sum of its proper divisors (6234561).

12409119 is an equidigital number, since it uses as much as digits as its factorization.

12409119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 12409119 is about 3522.6579453589. The cubic root of 12409119 is about 231.5156300916.

The spelling of 12409119 in words is "twelve million, four hundred nine thousand, one hundred nineteen".