12535442 has 8 divisors (see below), whose sum is σ = 18878832. Its totient is φ = 6242500.

The previous prime is 12535433. The next prime is 12535447. The reversal of 12535442 is 24453521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12535442² = 314274612270728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12535447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11984 + ... + 12987.

It is an arithmetic number, because the mean of its divisors is an integer number (2359854).

Almost surely, 2^12535442 is an apocalyptic number.

12535442 is a deficient number, since it is larger than the sum of its proper divisors (6343390).

12535442 is a wasteful number, since it uses less digits than its factorization.

12535442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25224.

The product of its digits is 4800, while the sum is 26.

The square root of 12535442 is about 3540.5426137811. The cubic root of 12535442 is about 232.2985776231.

Adding to 12535442 its reverse (24453521), we get a palindrome (36988963).

The spelling of 12535442 in words is "twelve million, five hundred thirty-five thousand, four hundred forty-two".