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12902422 = 2131729191
BaseRepresentation
bin110001001110…
…000000010110
3220021111210111
4301032000112
511300334142
61140313234
7214445251
oct61160026
926244714
1012902422
117312865
1243a281a
132899990
1419dc098
1511ece17
hexc4e016

12902422 has 16 divisors (see below), whose sum is σ = 22069152. Its totient is φ = 5604480.

The previous prime is 12902401. The next prime is 12902423. The reversal of 12902422 is 22420921.

It is a junction number, because it is equal to n+sod(n) for n = 12902393 and 12902402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12902423) 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, 14154 + ... + 15037.

It is an arithmetic number, because the mean of its divisors is an integer number (1379322).

Almost surely, 212902422 is an apocalyptic number.

12902422 is a deficient number, since it is larger than the sum of its proper divisors (9166730).

12902422 is a wasteful number, since it uses less digits than its factorization.

12902422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29223.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12902422 is about 3591.9941536701. The cubic root of 12902422 is about 234.5436867279.

The spelling of 12902422 in words is "twelve million, nine hundred two thousand, four hundred twenty-two".

Divisors: 1 2 13 17 26 34 221 442 29191 58382 379483 496247 758966 992494 6451211 12902422