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12632288 = 25394759
BaseRepresentation
bin110000001100…
…000011100000
3212202210020112
4300030003200
511213213123
61130430452
7212241554
oct60140340
925683215
1012632288
117148909
124292428
132803a36
14196b864
151197d78
hexc0c0e0

12632288 has 12 divisors (see below), whose sum is σ = 24869880. Its totient is φ = 6316128.

The previous prime is 12632251. The next prime is 12632297. The reversal of 12632288 is 88223621.

It is a super-2 number, since 2×126322882 = 319149400229888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 394759 = 12632288 / (1 + 2 + 6 + 3 + 2 + 2 + 8 + 8).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197348 + ... + 197411.

It is an arithmetic number, because the mean of its divisors is an integer number (2072490).

Almost surely, 212632288 is an apocalyptic number.

It is an amenable number.

12632288 is a deficient number, since it is larger than the sum of its proper divisors (12237592).

12632288 is an equidigital number, since it uses as much as digits as its factorization.

12632288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394769 (or 394761 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 12632288 is about 3554.1930167058. The cubic root of 12632288 is about 232.8952724285.

The spelling of 12632288 in words is "twelve million, six hundred thirty-two thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 16 32 394759 789518 1579036 3158072 6316144 12632288