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12699474 = 232116579
BaseRepresentation
bin110000011100…
…011101010010
3212220012101220
4300130131102
511222340344
61132105510
7212641464
oct60343522
925805356
1012699474
117194337
124305296
1328284a8
141988134
1511acc19
hexc1c752

12699474 has 8 divisors (see below), whose sum is σ = 25398960. Its totient is φ = 4233156.

The previous prime is 12699469. The next prime is 12699497. The reversal of 12699474 is 47499621.

It is a sphenic number, since it is the product of 3 distinct primes.

12699474 is an admirable number.

It is a super-2 number, since 2×126994742 = 322553279753352, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1058284 + ... + 1058295.

It is an arithmetic number, because the mean of its divisors is an integer number (3174870).

Almost surely, 212699474 is an apocalyptic number.

12699474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12699474 is a wasteful number, since it uses less digits than its factorization.

12699474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116584.

The product of its digits is 108864, while the sum is 42.

The square root of 12699474 is about 3563.6321358973. The cubic root of 12699474 is about 233.3074343136.

The spelling of 12699474 in words is "twelve million, six hundred ninety-nine thousand, four hundred seventy-four".

Divisors: 1 2 3 6 2116579 4233158 6349737 12699474