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12997262 = 28577583
BaseRepresentation
bin110001100101…
…001010001110
3220110022220002
4301211022032
511311403022
61142324302
7215321615
oct61451216
926408802
1012997262
117378043
124429692
132900bb5
141a2487c
15121b092
hexc6528e

12997262 has 8 divisors (see below), whose sum is σ = 19521216. Its totient is φ = 6490192.

The previous prime is 12997253. The next prime is 12997279. The reversal of 12997262 is 26279921.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2078 + ... + 5505.

It is an arithmetic number, because the mean of its divisors is an integer number (2440152).

Almost surely, 212997262 is an apocalyptic number.

12997262 is a deficient number, since it is larger than the sum of its proper divisors (6523954).

12997262 is an equidigital number, since it uses as much as digits as its factorization.

12997262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8442.

The product of its digits is 27216, while the sum is 38.

The square root of 12997262 is about 3605.1715631853. The cubic root of 12997262 is about 235.1169600377.

The spelling of 12997262 in words is "twelve million, nine hundred ninety-seven thousand, two hundred sixty-two".

Divisors: 1 2 857 1714 7583 15166 6498631 12997262