12976538 has 8 divisors (see below), whose sum is σ = 20092800. Its totient is φ = 6278940.

The previous prime is 12976517. The next prime is 12976567. The reversal of 12976538 is 83567921.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12976495 and 12976504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104588 + ... + 104711.

It is an arithmetic number, because the mean of its divisors is an integer number (2511600).

Almost surely, 2^12976538 is an apocalyptic number.

12976538 is a deficient number, since it is larger than the sum of its proper divisors (7116262).

12976538 is a wasteful number, since it uses less digits than its factorization.

12976538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209332.

The product of its digits is 90720, while the sum is 41.

The square root of 12976538 is about 3602.2962121403. The cubic root of 12976538 is about 234.9919297063.

It can be divided in two parts, 129 and 76538, that added together give a palindrome (76667).

The spelling of 12976538 in words is "twelve million, nine hundred seventy-six thousand, five hundred thirty-eight".