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12884337 = 321975347
BaseRepresentation
bin110001001001…
…100101110001
3220020120222200
4301021211301
511244244322
61140053413
7214341444
oct61114561
926216880
1012884337
117300214
124394269
13289168b
1419d565b
1511e78ac
hexc49971

12884337 has 12 divisors (see below), whose sum is σ = 19590480. Its totient is φ = 8137368.

The previous prime is 12884329. The next prime is 12884341. The reversal of 12884337 is 73348821.

It is not a de Polignac number, because 12884337 - 23 = 12884329 is a prime.

It is a super-2 number, since 2×128843372 = 332012279859138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12884387) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 37503 + ... + 37844.

It is an arithmetic number, because the mean of its divisors is an integer number (1632540).

Almost surely, 212884337 is an apocalyptic number.

It is an amenable number.

12884337 is a deficient number, since it is larger than the sum of its proper divisors (6706143).

12884337 is a wasteful number, since it uses less digits than its factorization.

12884337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75372 (or 75369 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 12884337 is about 3589.4758670313. The cubic root of 12884337 is about 234.4340508275.

It can be divided in two parts, 1288 and 4337, that added together give a square (5625 = 752).

The spelling of 12884337 in words is "twelve million, eight hundred eighty-four thousand, three hundred thirty-seven".

Divisors: 1 3 9 19 57 171 75347 226041 678123 1431593 4294779 12884337