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12966198 = 2371392221
BaseRepresentation
bin110001011101…
…100100110110
3220101202021120
4301131210312
511304404243
61141524410
7215132220
oct61354466
926352246
1012966198
117356773
124413706
1328bca0b
141a17410
151211c83
hexc5d936

12966198 has 32 divisors (see below), whose sum is σ = 29863680. Its totient is φ = 3676320.

The previous prime is 12966197. The next prime is 12966229. The reversal of 12966198 is 89166921.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12966197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4728 + ... + 6948.

It is an arithmetic number, because the mean of its divisors is an integer number (933240).

Almost surely, 212966198 is an apocalyptic number.

12966198 is an abundant number, since it is smaller than the sum of its proper divisors (16897482).

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

12966198 is a wasteful number, since it uses less digits than its factorization.

12966198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372.

The product of its digits is 46656, while the sum is 42.

The square root of 12966198 is about 3600.8607304365. The cubic root of 12966198 is about 234.9294974865.

The spelling of 12966198 in words is "twelve million, nine hundred sixty-six thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 7 14 21 42 139 278 417 834 973 1946 2221 2919 4442 5838 6663 13326 15547 31094 46641 93282 308719 617438 926157 1852314 2161033 4322066 6483099 12966198