12015342 has 12 divisors (see below), whose sum is σ = 26033280. Its totient is φ = 4005108.

The previous prime is 12015307. The next prime is 12015359. The reversal of 12015342 is 24351021.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 667519 = 12015342 / (1 + 2 + 0 + 1 + 5 + 3 + 4 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333742 + ... + 333777.

It is an arithmetic number, because the mean of its divisors is an integer number (2169440).

Almost surely, 2^12015342 is an apocalyptic number.

12015342 is an abundant number, since it is smaller than the sum of its proper divisors (14017938).

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

12015342 is a wasteful number, since it uses less digits than its factorization.

12015342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667527 (or 667524 counting only the distinct ones).

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

The square root of 12015342 is about 3466.3153347611. The cubic root of 12015342 is about 229.0403747706.

Adding to 12015342 its reverse (24351021), we get a palindrome (36366363).

The spelling of 12015342 in words is "twelve million, fifteen thousand, three hundred forty-two".