Base | Representation |
---|---|
bin | 110001011111… |
… | …001110010111 |
3 | 220102002112200 |
4 | 301133032113 |
5 | 11310113301 |
6 | 1142015543 |
7 | 215161005 |
oct | 61371627 |
9 | 26362480 |
10 | 12972951 |
11 | 7360852 |
12 | 44175b3 |
13 | 28c2b04 |
14 | 1a19a75 |
15 | 1213c86 |
hex | c5f397 |
12972951 has 6 divisors (see below), whose sum is σ = 18738720. Its totient is φ = 8648628.
The previous prime is 12972937. The next prime is 12972959. The reversal of 12972951 is 15927921.
It is not a de Polignac number, because 12972951 - 215 = 12940183 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12972959) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 720711 + ... + 720728.
It is an arithmetic number, because the mean of its divisors is an integer number (3123120).
Almost surely, 212972951 is an apocalyptic number.
12972951 is a deficient number, since it is larger than the sum of its proper divisors (5765769).
12972951 is a wasteful number, since it uses less digits than its factorization.
12972951 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1441445 (or 1441442 counting only the distinct ones).
The product of its digits is 11340, while the sum is 36.
The square root of 12972951 is about 3601.7983008492. The cubic root of 12972951 is about 234.9702754014.
The spelling of 12972951 in words is "twelve million, nine hundred seventy-two thousand, nine hundred fifty-one".
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