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12697008 = 243833187
BaseRepresentation
bin110000011011…
…110110110000
3212220002000120
4300123312300
511222301013
61132050240
7212631342
oct60336660
925802016
1012697008
1171924a5
124303980
13282732c
141987292
1511ac123
hexc1bdb0

12697008 has 40 divisors (see below), whose sum is σ = 33206208. Its totient is φ = 4180032.

The previous prime is 12696991. The next prime is 12697021. The reversal of 12697008 is 80079621.

12697008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×126970082 = 322428024304128, 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 12697008.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2391 + ... + 5577.

Almost surely, 212697008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12697008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16603104).

12697008 is an abundant number, since it is smaller than the sum of its proper divisors (20509200).

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

12697008 is a wasteful number, since it uses less digits than its factorization.

12697008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281 (or 3275 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 12697008 is about 3563.2861237908. The cubic root of 12697008 is about 233.2923320247.

The spelling of 12697008 in words is "twelve million, six hundred ninety-seven thousand, eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 83 166 249 332 498 664 996 1328 1992 3187 3984 6374 9561 12748 19122 25496 38244 50992 76488 152976 264521 529042 793563 1058084 1587126 2116168 3174252 4232336 6348504 12697008