12051342 has 48 divisors (see below), whose sum is σ = 27426672. Its totient is φ = 3965760.

The previous prime is 12051329. The next prime is 12051373. The reversal of 12051342 is 24315021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66492 + ... + 66672.

It is an arithmetic number, because the mean of its divisors is an integer number (571389).

Almost surely, 2^12051342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12051342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13713336).

12051342 is an abundant number, since it is smaller than the sum of its proper divisors (15375330).

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

12051342 is a wasteful number, since it uses less digits than its factorization.

12051342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12051342 is about 3471.5042848886. The cubic root of 12051342 is about 229.2688946149.

Adding to 12051342 its reverse (24315021), we get a palindrome (36366363).

The spelling of 12051342 in words is "twelve million, fifty-one thousand, three hundred forty-two".