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12993772 = 2211295313
BaseRepresentation
bin110001100100…
…010011101100
3220110011002211
4301210103230
511311300042
61142300204
7215305501
oct61442354
926404084
1012993772
117375460
124427664
1328cc42c
141a234a8
15121a017
hexc644ec

12993772 has 12 divisors (see below), whose sum is σ = 24806376. Its totient is φ = 5906240.

The previous prime is 12993737. The next prime is 12993803. The reversal of 12993772 is 27739921.

It is a super-2 number, since 2×129937722 = 337676221575968, 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, 147613 + ... + 147700.

It is an arithmetic number, because the mean of its divisors is an integer number (2067198).

Almost surely, 212993772 is an apocalyptic number.

It is an amenable number.

12993772 is a deficient number, since it is larger than the sum of its proper divisors (11812604).

12993772 is a wasteful number, since it uses less digits than its factorization.

12993772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295328 (or 295326 counting only the distinct ones).

The product of its digits is 47628, while the sum is 40.

The square root of 12993772 is about 3604.6875037928. The cubic root of 12993772 is about 235.0959137679.

The spelling of 12993772 in words is "twelve million, nine hundred ninety-three thousand, seven hundred seventy-two".

Divisors: 1 2 4 11 22 44 295313 590626 1181252 3248443 6496886 12993772