12538851 has 8 divisors (see below), whose sum is σ = 18004560. Its totient is φ = 7716192.

The previous prime is 12538831. The next prime is 12538873. The reversal of 12538851 is 15883521.

It is a happy number.

12538851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12538851 - 2⁷ = 12538723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12538811) 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, 160716 + ... + 160793.

It is an arithmetic number, because the mean of its divisors is an integer number (2250570).

Almost surely, 2^12538851 is an apocalyptic number.

12538851 is a deficient number, since it is larger than the sum of its proper divisors (5465709).

12538851 is a wasteful number, since it uses less digits than its factorization.

12538851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321525.

The product of its digits is 9600, while the sum is 33.

The square root of 12538851 is about 3541.0240044371. The cubic root of 12538851 is about 232.3196334975.

The spelling of 12538851 in words is "twelve million, five hundred thirty-eight thousand, eight hundred fifty-one".