12936961 has 8 divisors (see below), whose sum is σ = 13265280. Its totient is φ = 12612912.

The previous prime is 12936947. The next prime is 12936977. The reversal of 12936961 is 16963921.

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 12936961 - 2⁹ = 12936449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12936961.

It is not an unprimeable number, because it can be changed into a prime (12936901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5571 + ... + 7543.

It is an arithmetic number, because the mean of its divisors is an integer number (1658160).

Almost surely, 2^12936961 is an apocalyptic number.

It is an amenable number.

12936961 is a deficient number, since it is larger than the sum of its proper divisors (328319).

12936961 is an equidigital number, since it uses as much as digits as its factorization.

12936961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135.

The product of its digits is 17496, while the sum is 37.

The square root of 12936961 is about 3596.7987155247. The cubic root of 12936961 is about 234.7527866572.

The spelling of 12936961 in words is "twelve million, nine hundred thirty-six thousand, nine hundred sixty-one".