12870158 has 16 divisors (see below), whose sum is σ = 22577280. Its totient is φ = 5387256.

The previous prime is 12870157. The next prime is 12870161. The reversal of 12870158 is 85107821.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12870157) 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, 10088 + ... + 11291.

It is an arithmetic number, because the mean of its divisors is an integer number (1411080).

Almost surely, 2^12870158 is an apocalyptic number.

12870158 is a deficient number, since it is larger than the sum of its proper divisors (9707122).

12870158 is a wasteful number, since it uses less digits than its factorization.

12870158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21431.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 12870158 is about 3587.5002439024. The cubic root of 12870158 is about 234.3480223289.

Adding to 12870158 its reverse (85107821), we get a palindrome (97977979).

The spelling of 12870158 in words is "twelve million, eight hundred seventy thousand, one hundred fifty-eight".