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12692898 = 232705161
BaseRepresentation
bin110000011010…
…110110100010
3212212212101100
4300122312202
511222133043
61132015230
7212613351
oct60326642
925785340
1012692898
11718a3a9
124301516
1328254ba
141985998
1511aacd3
hexc1ada2

12692898 has 12 divisors (see below), whose sum is σ = 27501318. Its totient is φ = 4230960.

The previous prime is 12692881. The next prime is 12692921. The reversal of 12692898 is 89829621.

It can be written as a sum of positive squares in only one way, i.e., 9018009 + 3674889 = 3003^2 + 1917^2 .

It is a super-2 number, since 2×126928982 = 322219319276808, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 352563 + ... + 352598.

Almost surely, 212692898 is an apocalyptic number.

12692898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12692898 is an abundant number, since it is smaller than the sum of its proper divisors (14808420).

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

12692898 is a wasteful number, since it uses less digits than its factorization.

12692898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705169 (or 705166 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 12692898 is about 3562.7093622691. The cubic root of 12692898 is about 233.2671571971.

The spelling of 12692898 in words is "twelve million, six hundred ninety-two thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 9 18 705161 1410322 2115483 4230966 6346449 12692898