12340135 has 4 divisors (see below), whose sum is σ = 14808168. Its totient is φ = 9872104.

The previous prime is 12340103. The next prime is 12340157. The reversal of 12340135 is 53104321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53104321 = 251 ⋅211571.

It is a cyclic number.

It is not a de Polignac number, because 12340135 - 2⁵ = 12340103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234009 + ... + 1234018.

It is an arithmetic number, because the mean of its divisors is an integer number (3702042).

Almost surely, 2^12340135 is an apocalyptic number.

12340135 is a deficient number, since it is larger than the sum of its proper divisors (2468033).

12340135 is an equidigital number, since it uses as much as digits as its factorization.

12340135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468032.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 12340135 is about 3512.8528292543. The cubic root of 12340135 is about 231.0858235724.

Adding to 12340135 its reverse (53104321), we get a palindrome (65444456).

The spelling of 12340135 in words is "twelve million, three hundred forty thousand, one hundred thirty-five".