12057542 has 16 divisors (see below), whose sum is σ = 20904480. Its totient is φ = 5108928.

The previous prime is 12057541. The next prime is 12057547. The reversal of 12057542 is 24575021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12057541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3593 + ... + 6084.

It is an arithmetic number, because the mean of its divisors is an integer number (1306530).

Almost surely, 2^12057542 is an apocalyptic number.

12057542 is a deficient number, since it is larger than the sum of its proper divisors (8846938).

12057542 is an equidigital number, since it uses as much as digits as its factorization.

12057542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9775.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 12057542 is about 3472.3971547045. The cubic root of 12057542 is about 229.3082048552.

The spelling of 12057542 in words is "twelve million, fifty-seven thousand, five hundred forty-two".