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12696828 = 22323179257
BaseRepresentation
bin110000011011…
…110011111100
3212220001202220
4300123303330
511222244303
61132045340
7212630664
oct60336374
925801686
1012696828
117192351
124303850
132827221
1419871a4
1511ac053
hexc1bcfc

12696828 has 48 divisors (see below), whose sum is σ = 31207680. Its totient is φ = 4009984.

The previous prime is 12696781. The next prime is 12696857. The reversal of 12696828 is 82869621.

It is a super-2 number, since 2×126968282 = 322418882523168, 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 12696828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49276 + ... + 49532.

It is an arithmetic number, because the mean of its divisors is an integer number (650160).

Almost surely, 212696828 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 12696828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15603840).

12696828 is an abundant number, since it is smaller than the sum of its proper divisors (18510852).

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

12696828 is a wasteful number, since it uses less digits than its factorization.

12696828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 464 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 12696828 is about 3563.2608661169. The cubic root of 12696828 is about 233.2912295913.

The spelling of 12696828 in words is "twelve million, six hundred ninety-six thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 179 257 276 358 514 537 716 771 1028 1074 1542 2148 3084 4117 5911 8234 11822 12351 16468 17733 23644 24702 35466 46003 49404 70932 92006 138009 184012 276018 552036 1058069 2116138 3174207 4232276 6348414 12696828