12077342 has 4 divisors (see below), whose sum is σ = 18116016. Its totient is φ = 6038670.

The previous prime is 12077333. The next prime is 12077347. The reversal of 12077342 is 24377021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24377021 = 1181 ⋅20641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12077347) 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 as a sum of consecutive naturals, namely, 3019334 + ... + 3019337.

It is an arithmetic number, because the mean of its divisors is an integer number (4529004).

Almost surely, 2^12077342 is an apocalyptic number.

12077342 is a deficient number, since it is larger than the sum of its proper divisors (6038674).

12077342 is an equidigital number, since it uses as much as digits as its factorization.

12077342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6038673.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 12077342 is about 3475.2470415785. The cubic root of 12077342 is about 229.4336538473.

The spelling of 12077342 in words is "twelve million, seventy-seven thousand, three hundred forty-two".