12550142 has 8 divisors (see below), whose sum is σ = 20536632. Its totient is φ = 5704600.

The previous prime is 12550123. The next prime is 12550147. The reversal of 12550142 is 24105521.

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 (12550147) 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, 285209 + ... + 285252.

It is an arithmetic number, because the mean of its divisors is an integer number (2567079).

Almost surely, 2^12550142 is an apocalyptic number.

12550142 is a deficient number, since it is larger than the sum of its proper divisors (7986490).

12550142 is a wasteful number, since it uses less digits than its factorization.

12550142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570474.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 12550142 is about 3542.6179585160. The cubic root of 12550142 is about 232.3893457334.

Adding to 12550142 its reverse (24105521), we get a palindrome (36655663).

The spelling of 12550142 in words is "twelve million, five hundred fifty thousand, one hundred forty-two".