12454542 has 12 divisors (see below), whose sum is σ = 26984880. Its totient is φ = 4151508.

The previous prime is 12454531. The next prime is 12454573. The reversal of 12454542 is 24545421.

12454542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 345942 + ... + 345977.

It is an arithmetic number, because the mean of its divisors is an integer number (2248740).

Almost surely, 2^12454542 is an apocalyptic number.

12454542 is an abundant number, since it is smaller than the sum of its proper divisors (14530338).

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

12454542 is a wasteful number, since it uses less digits than its factorization.

12454542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691927 (or 691924 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 12454542 is about 3529.0993185231. The cubic root of 12454542 is about 231.7977701646.

Adding to 12454542 its reverse (24545421), we get a palindrome (36999963).

It can be divided in two parts, 1245454 and 2, that added together give a square (1245456 = 1116²).

The spelling of 12454542 in words is "twelve million, four hundred fifty-four thousand, five hundred forty-two".