12542 has 4 divisors (see below), whose sum is σ = 18816. Its totient is φ = 6270.

The previous prime is 12541. The next prime is 12547. The reversal of 12542 is 24521.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 1 + 2⁷ + 5³ + 4⁶ + 2¹³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3134 + ... + 3137.

It is an arithmetic number, because the mean of its divisors is an integer number (4704).

2¹²⁵⁴² is an apocalyptic number.

12542 is a deficient number, since it is larger than the sum of its proper divisors (6274).

12542 is an equidigital number, since it uses as much as digits as its factorization.

12542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6273.

The product of its digits is 80, while the sum is 14.

The square root of 12542 is about 111.9910710727. The cubic root of 12542 is about 23.2339080077.

The spelling of 12542 in words is "twelve thousand, five hundred forty-two".