12662155 has 8 divisors (see below), whose sum is σ = 16575984. Its totient is φ = 9208800.

The previous prime is 12662149. The next prime is 12662173. The reversal of 12662155 is 55126621.

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

It is not a de Polignac number, because 12662155 - 2⁵ = 12662123 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 115056 + ... + 115165.

It is an arithmetic number, because the mean of its divisors is an integer number (2071998).

Almost surely, 2^12662155 is an apocalyptic number.

12662155 is a deficient number, since it is larger than the sum of its proper divisors (3913829).

12662155 is a wasteful number, since it uses less digits than its factorization.

12662155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230237.

The product of its digits is 3600, while the sum is 28.

The square root of 12662155 is about 3558.3921931119. The cubic root of 12662155 is about 233.0786756851.

Adding to 12662155 its reverse (55126621), we get a palindrome (67788776).

The spelling of 12662155 in words is "twelve million, six hundred sixty-two thousand, one hundred fifty-five".