12542946 has 16 divisors (see below), whose sum is σ = 27015744. Its totient is φ = 3859344.

The previous prime is 12542939. The next prime is 12542947. The reversal of 12542946 is 64924521.

It is not an unprimeable number, because it can be changed into a prime (12542947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80326 + ... + 80481.

It is an arithmetic number, because the mean of its divisors is an integer number (1688484).

Almost surely, 2^12542946 is an apocalyptic number.

12542946 is an abundant number, since it is smaller than the sum of its proper divisors (14472798).

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

12542946 is a wasteful number, since it uses less digits than its factorization.

12542946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160825.

The product of its digits is 17280, while the sum is 33.

The square root of 12542946 is about 3541.6021798051. The cubic root of 12542946 is about 232.3449214433.

It can be divided in two parts, 125 and 42946, that added together give a triangular number (43071 = T₂₉₃).

The spelling of 12542946 in words is "twelve million, five hundred forty-two thousand, nine hundred forty-six".