12117342 has 16 divisors (see below), whose sum is σ = 25016832. Its totient is φ = 3908760.

The previous prime is 12117341. The next prime is 12117359. The reversal of 12117342 is 24371121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12117341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32388 + ... + 32759.

It is an arithmetic number, because the mean of its divisors is an integer number (1563552).

Almost surely, 2^12117342 is an apocalyptic number.

12117342 is an abundant number, since it is smaller than the sum of its proper divisors (12899490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12117342 is a wasteful number, since it uses less digits than its factorization.

12117342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65183.

The product of its digits is 336, while the sum is 21.

The square root of 12117342 is about 3480.9972708981. The cubic root of 12117342 is about 229.6866684870.

Adding to 12117342 its reverse (24371121), we get a palindrome (36488463).

The spelling of 12117342 in words is "twelve million, one hundred seventeen thousand, three hundred forty-two".