12340719 has 12 divisors (see below), whose sum is σ = 18600816. Its totient is φ = 7869312.

The previous prime is 12340703. The next prime is 12340733. The reversal of 12340719 is 91704321.

It is not a de Polignac number, because 12340719 - 2⁴ = 12340703 is a prime.

It is a super-2 number, since 2×12340719² = 304586690873922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12340692 and 12340701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340789) 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, 29602 + ... + 30015.

It is an arithmetic number, because the mean of its divisors is an integer number (1550068).

Almost surely, 2^12340719 is an apocalyptic number.

12340719 is a deficient number, since it is larger than the sum of its proper divisors (6260097).

12340719 is a wasteful number, since it uses less digits than its factorization.

12340719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59646 (or 59643 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 12340719 is about 3512.9359515938. The cubic root of 12340719 is about 231.0894689132.

The spelling of 12340719 in words is "twelve million, three hundred forty thousand, seven hundred nineteen".