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12696448 = 2799191
BaseRepresentation
bin110000011011…
…101110000000
3212220001020211
4300123232000
511222241243
61132043504
7212626612
oct60335600
925801224
1012696448
117192036
124303594
132826cbb
141986db2
1511abd9d
hexc1bb80

12696448 has 16 divisors (see below), whose sum is σ = 25293960. Its totient is φ = 6348160.

The previous prime is 12696443. The next prime is 12696449. The reversal of 12696448 is 84469621.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×126964482 = 322399583633408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12696448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12696443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49468 + ... + 49723.

Almost surely, 212696448 is an apocalyptic number.

It is an amenable number.

12696448 is a deficient number, since it is larger than the sum of its proper divisors (12597512).

12696448 is an frugal number, since it uses more digits than its factorization.

12696448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99205 (or 99193 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 12696448 is about 3563.2075437729. The cubic root of 12696448 is about 233.2889021976.

The spelling of 12696448 in words is "twelve million, six hundred ninety-six thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 128 99191 198382 396764 793528 1587056 3174112 6348224 12696448