12662158 has 8 divisors (see below), whose sum is σ = 19008360. Its totient is φ = 6326040.

The previous prime is 12662149. The next prime is 12662173. The reversal of 12662158 is 85126621.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3433 + ... + 6091.

It is an arithmetic number, because the mean of its divisors is an integer number (2376045).

Almost surely, 2^12662158 is an apocalyptic number.

12662158 is a deficient number, since it is larger than the sum of its proper divisors (6346202).

12662158 is a wasteful number, since it uses less digits than its factorization.

12662158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042.

The product of its digits is 5760, while the sum is 31.

The square root of 12662158 is about 3558.3926146506. The cubic root of 12662158 is about 233.0786940926.

Adding to 12662158 its reverse (85126621), we get a palindrome (97788779).

The spelling of 12662158 in words is "twelve million, six hundred sixty-two thousand, one hundred fifty-eight".