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12908884 = 223227221
BaseRepresentation
bin110001001111…
…100101010100
3220021211122211
4301033211110
511301041014
61140403204
7214503142
oct61174524
926254584
1012908884
1173176aa
1243a6504
13289c8c1
141a00592
1511eecc4
hexc4f954

12908884 has 6 divisors (see below), whose sum is σ = 22590554. Its totient is φ = 6454440.

The previous prime is 12908873. The next prime is 12908897. The reversal of 12908884 is 48880921.

12908884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6906384 + 6002500 = 2628^2 + 2450^2 .

It is a super-2 number, since 2×129088842 = 333278572250912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1613607 + ... + 1613614.

Almost surely, 212908884 is an apocalyptic number.

It is an amenable number.

12908884 is a deficient number, since it is larger than the sum of its proper divisors (9681670).

12908884 is a wasteful number, since it uses less digits than its factorization.

12908884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227225 (or 3227223 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 12908884 is about 3592.8935414231. The cubic root of 12908884 is about 234.5828361824.

The spelling of 12908884 in words is "twelve million, nine hundred eight thousand, eight hundred eighty-four".

Divisors: 1 2 4 3227221 6454442 12908884