12342519 has 12 divisors (see below), whose sum is σ = 20375056. Its totient is φ = 7052832.

The previous prime is 12342511. The next prime is 12342541. The reversal of 12342519 is 91524321.

It is not a de Polignac number, because 12342519 - 2³ = 12342511 is a prime.

It is a super-2 number, since 2×12342519² = 304675550530722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12342492 and 12342501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97894 + ... + 98019.

Almost surely, 2^12342519 is an apocalyptic number.

12342519 is a deficient number, since it is larger than the sum of its proper divisors (8032537).

12342519 is a wasteful number, since it uses less digits than its factorization.

12342519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195926 (or 195923 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 12342519 is about 3513.1921382128. The cubic root of 12342519 is about 231.1007038292.

The spelling of 12342519 in words is "twelve million, three hundred forty-two thousand, five hundred nineteen".