12976505 has 8 divisors (see below), whose sum is σ = 15638400. Its totient is φ = 10336816.

The previous prime is 12976489. The next prime is 12976511. The reversal of 12976505 is 50567921.

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

It is a cyclic number.

It is not a de Polignac number, because 12976505 - 2⁴ = 12976489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4235 + ... + 6624.

It is an arithmetic number, because the mean of its divisors is an integer number (1954800).

Almost surely, 2^12976505 is an apocalyptic number.

It is an amenable number.

12976505 is a deficient number, since it is larger than the sum of its proper divisors (2661895).

12976505 is a wasteful number, since it uses less digits than its factorization.

12976505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11103.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 12976505 is about 3602.2916317256. The cubic root of 12976505 is about 234.9917305073.

The spelling of 12976505 in words is "twelve million, nine hundred seventy-six thousand, five hundred five".