12976005 has 16 divisors (see below), whose sum is σ = 23727744. Its totient is φ = 5931840.

The previous prime is 12975983. The next prime is 12976009. The reversal of 12976005 is 50067921.

It is not a de Polignac number, because 12976005 - 2⁷ = 12975877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12976009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61686 + ... + 61895.

It is an arithmetic number, because the mean of its divisors is an integer number (1482984).

Almost surely, 2^12976005 is an apocalyptic number.

12976005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12976005 is a deficient number, since it is larger than the sum of its proper divisors (10751739).

12976005 is a wasteful number, since it uses less digits than its factorization.

12976005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123596.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 12976005 is about 3602.2222307903. Note that the first 4 decimals coincide. The cubic root of 12976005 is about 234.9887122992.

The spelling of 12976005 in words is "twelve million, nine hundred seventy-six thousand, five".