12662105 has 16 divisors (see below), whose sum is σ = 15817728. Its totient is φ = 9720000.

The previous prime is 12662087. The next prime is 12662123. The reversal of 12662105 is 50126621.

It is an interprime number because it is at equal distance from previous prime (12662087) and next prime (12662123).

It is not a de Polignac number, because 12662105 - 2⁸ = 12661849 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 15 ways as a sum of consecutive naturals, for example, 23135 + ... + 23675.

It is an arithmetic number, because the mean of its divisors is an integer number (988608).

Almost surely, 2^12662105 is an apocalyptic number.

It is an amenable number.

12662105 is a deficient number, since it is larger than the sum of its proper divisors (3155623).

12662105 is a wasteful number, since it uses less digits than its factorization.

12662105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12662105 is about 3558.3851674601. The cubic root of 12662105 is about 233.0783688929.

Adding to 12662105 its reverse (50126621), we get a palindrome (62788726).

The spelling of 12662105 in words is "twelve million, six hundred sixty-two thousand, one hundred five".