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12986032 = 24811627
BaseRepresentation
bin110001100010…
…011010110000
3220102202111011
4301202122300
511311023112
61142200304
7215244103
oct61423260
926382434
1012986032
11736a664
124423094
1328c8a57
141a2073a
151217aa7
hexc626b0

12986032 has 10 divisors (see below), whose sum is σ = 25160468. Its totient is φ = 6493008.

The previous prime is 12986027. The next prime is 12986033. The reversal of 12986032 is 23068921.

It is a junction number, because it is equal to n+sod(n) for n = 12985985 and 12986003.

It is not an unprimeable number, because it can be changed into a prime (12986033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405798 + ... + 405829.

Almost surely, 212986032 is an apocalyptic number.

It is an amenable number.

12986032 is a deficient number, since it is larger than the sum of its proper divisors (12174436).

12986032 is an equidigital number, since it uses as much as digits as its factorization.

12986032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811635 (or 811629 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12986032 is about 3603.6137417875. The cubic root of 12986032 is about 235.0492246363.

The spelling of 12986032 in words is "twelve million, nine hundred eighty-six thousand, thirty-two".

Divisors: 1 2 4 8 16 811627 1623254 3246508 6493016 12986032