12057342 has 16 divisors (see below), whose sum is σ = 26307072. Its totient is φ = 3653720.

The previous prime is 12057323. The next prime is 12057347. The reversal of 12057342 is 24375021.

It is a super-2 number, since 2×12057342² = 290758992209928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12057347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91278 + ... + 91409.

It is an arithmetic number, because the mean of its divisors is an integer number (1644192).

Almost surely, 2^12057342 is an apocalyptic number.

12057342 is an abundant number, since it is smaller than the sum of its proper divisors (14249730).

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

12057342 is a wasteful number, since it uses less digits than its factorization.

12057342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182703.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 12057342 is about 3472.3683560360. The cubic root of 12057342 is about 229.3069369933.

The spelling of 12057342 in words is "twelve million, fifty-seven thousand, three hundred forty-two".