12152542 has 8 divisors (see below), whose sum is σ = 18527832. Its totient is φ = 5976600.

The previous prime is 12152513. The next prime is 12152549. The reversal of 12152542 is 24525121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49684 + ... + 49927.

It is an arithmetic number, because the mean of its divisors is an integer number (2315979).

Almost surely, 2^12152542 is an apocalyptic number.

12152542 is a deficient number, since it is larger than the sum of its proper divisors (6375290).

12152542 is an equidigital number, since it uses as much as digits as its factorization.

12152542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99674.

The product of its digits is 800, while the sum is 22.

The square root of 12152542 is about 3486.0496267265. The cubic root of 12152542 is about 229.9088611810.

Adding to 12152542 its reverse (24525121), we get a palindrome (36677663).

The spelling of 12152542 in words is "twelve million, one hundred fifty-two thousand, five hundred forty-two".