12976105 has 8 divisors (see below), whose sum is σ = 15590664. Its totient is φ = 10368000.

The previous prime is 12976099. The next prime is 12976109. The reversal of 12976105 is 50167921.

It can be written as a sum of positive squares in 4 ways, for example, as 7080921 + 5895184 = 2661^2 + 2428^2 .

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

It is not a de Polignac number, because 12976105 - 2¹⁷ = 12845033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12976109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7195 + ... + 8815.

It is an arithmetic number, because the mean of its divisors is an integer number (1948833).

Almost surely, 2^12976105 is an apocalyptic number.

It is an amenable number.

12976105 is a deficient number, since it is larger than the sum of its proper divisors (2614559).

12976105 is a wasteful number, since it uses less digits than its factorization.

12976105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 12976105 is about 3602.2361110843. The cubic root of 12976105 is about 234.9893159470.

The spelling of 12976105 in words is "twelve million, nine hundred seventy-six thousand, one hundred five".