12450542 has 16 divisors (see below), whose sum is σ = 20206032. Its totient is φ = 5719680.

The previous prime is 12450539. The next prime is 12450547. The reversal of 12450542 is 24505421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12450547) 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, 5273 + ... + 7259.

It is an arithmetic number, because the mean of its divisors is an integer number (1262877).

Almost surely, 2^12450542 is an apocalyptic number.

12450542 is a deficient number, since it is larger than the sum of its proper divisors (7755490).

12450542 is a wasteful number, since it uses less digits than its factorization.

12450542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 12450542 is about 3528.5325561769. The cubic root of 12450542 is about 231.7729521676.

Adding to 12450542 its reverse (24505421), we get a palindrome (36955963).

The spelling of 12450542 in words is "twelve million, four hundred fifty thousand, five hundred forty-two".