Search a number
-
+
12976971 = 37617951
BaseRepresentation
bin110001100000…
…001101001011
3220102022001120
4301200031023
511310230341
61142050323
7215205510
oct61401513
926368046
1012976971
117363877
1244199a3
1328c48a7
141a1b307
151215066
hexc6034b

12976971 has 8 divisors (see below), whose sum is σ = 19774464. Its totient is φ = 7415400.

The previous prime is 12976961. The next prime is 12976993. The reversal of 12976971 is 17967921.

It is a happy number.

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

It is not a de Polignac number, because 12976971 - 25 = 12976939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12976961) 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, 308955 + ... + 308996.

It is an arithmetic number, because the mean of its divisors is an integer number (2471808).

Almost surely, 212976971 is an apocalyptic number.

12976971 is a deficient number, since it is larger than the sum of its proper divisors (6797493).

12976971 is an equidigital number, since it uses as much as digits as its factorization.

12976971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617961.

The product of its digits is 47628, while the sum is 42.

The square root of 12976971 is about 3602.3563121935. The cubic root of 12976971 is about 234.9945434073.

The spelling of 12976971 in words is "twelve million, nine hundred seventy-six thousand, nine hundred seventy-one".

Divisors: 1 3 7 21 617951 1853853 4325657 12976971