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12895312 = 246591223
BaseRepresentation
bin110001001100…
…010001010000
3220021011001011
4301030101100
511300122222
61140220304
7214415443
oct61142120
926234034
1012895312
117308491
12439a694
132896681
1419d965a
1511eac77
hexc4c450

12895312 has 20 divisors (see below), whose sum is σ = 25043040. Its totient is φ = 6432608.

The previous prime is 12895307. The next prime is 12895321. The reversal of 12895312 is 21359821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9933 + ... + 11155.

It is an arithmetic number, because the mean of its divisors is an integer number (1252152).

Almost surely, 212895312 is an apocalyptic number.

It is an amenable number.

12895312 is a deficient number, since it is larger than the sum of its proper divisors (12147728).

12895312 is a wasteful number, since it uses less digits than its factorization.

12895312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890 (or 1884 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 12895312 is about 3591.0043163438. The cubic root of 12895312 is about 234.5005963163.

Subtracting from 12895312 its sum of digits (31), we obtain a square (12895281 = 35912).

The spelling of 12895312 in words is "twelve million, eight hundred ninety-five thousand, three hundred twelve".

Divisors: 1 2 4 8 16 659 1223 1318 2446 2636 4892 5272 9784 10544 19568 805957 1611914 3223828 6447656 12895312