12717105 has 16 divisors (see below), whose sum is σ = 21544704. Its totient is φ = 6383360.

The previous prime is 12717083. The next prime is 12717113. The reversal of 12717105 is 50171721.

It is a happy number.

It is not a de Polignac number, because 12717105 - 2⁵ = 12717073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24681 + ... + 25190.

It is an arithmetic number, because the mean of its divisors is an integer number (1346544).

Almost surely, 2^12717105 is an apocalyptic number.

12717105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12717105 is a deficient number, since it is larger than the sum of its proper divisors (8827599).

12717105 is a wasteful number, since it uses less digits than its factorization.

12717105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49896.

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 12717105 is about 3566.1050180835. The cubic root of 12717105 is about 233.4153532516.

Adding to 12717105 its reverse (50171721), we get a palindrome (62888826).

The spelling of 12717105 in words is "twelve million, seven hundred seventeen thousand, one hundred five".