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12800712 = 233533363
BaseRepresentation
bin110000110101…
…001011001000
3220002100021110
4300311023020
511234110322
61134210320
7213542601
oct60651310
926070243
1012800712
117253401
1243539a0
1328625b2
1419b2da8
1511ccc0c
hexc352c8

12800712 has 16 divisors (see below), whose sum is σ = 32001840. Its totient is φ = 4266896.

The previous prime is 12800707. The next prime is 12800729. The reversal of 12800712 is 21700821.

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, 266658 + ... + 266705.

It is an arithmetic number, because the mean of its divisors is an integer number (2000115).

Almost surely, 212800712 is an apocalyptic number.

12800712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12800712 is an abundant number, since it is smaller than the sum of its proper divisors (19201128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12800712 is a wasteful number, since it uses less digits than its factorization.

12800712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533372 (or 533368 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 12800712 is about 3577.8082676410. The cubic root of 12800712 is about 233.9257562696.

The spelling of 12800712 in words is "twelve million, eight hundred thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 533363 1066726 1600089 2133452 3200178 4266904 6400356 12800712