12972163 has 8 divisors (see below), whose sum is σ = 13389680. Its totient is φ = 12558240.

The previous prime is 12972149. The next prime is 12972217. The reversal of 12972163 is 36127921.

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 12972163 - 2⁵ = 12972131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12972103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7708 + ... + 9238.

It is an arithmetic number, because the mean of its divisors is an integer number (1673710).

Almost surely, 2^12972163 is an apocalyptic number.

12972163 is a deficient number, since it is larger than the sum of its proper divisors (417517).

12972163 is a wasteful number, since it uses less digits than its factorization.

12972163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797.

The product of its digits is 4536, while the sum is 31.

The square root of 12972163 is about 3601.6889093868. The cubic root of 12972163 is about 234.9655178016.

The spelling of 12972163 in words is "twelve million, nine hundred seventy-two thousand, one hundred sixty-three".