12354342 has 128 divisors (see below), whose sum is σ = 35417088. Its totient is φ = 2787840.

The previous prime is 12354341. The next prime is 12354343. The reversal of 12354342 is 24345321.

It is an interprime number because it is at equal distance from previous prime (12354341) and next prime (12354343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12354341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 726718 + ... + 726734.

It is an arithmetic number, because the mean of its divisors is an integer number (276696).

Almost surely, 2^12354342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12354342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17708544).

12354342 is an abundant number, since it is smaller than the sum of its proper divisors (23062746).

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

12354342 is a wasteful number, since it uses less digits than its factorization.

12354342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 53 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 12354342 is about 3514.8743932038. The cubic root of 12354342 is about 231.1744713654.

Adding to 12354342 its reverse (24345321), we get a palindrome (36699663).

The spelling of 12354342 in words is "twelve million, three hundred fifty-four thousand, three hundred forty-two".