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12992212 = 223248053
BaseRepresentation
bin110001100011…
…111011010100
3220110001222001
4301203323110
511311222322
61142245044
7215301112
oct61437324
926401861
1012992212
117374272
124426784
1328cb7cc
141a22ab2
151219827
hexc63ed4

12992212 has 6 divisors (see below), whose sum is σ = 22736378. Its totient is φ = 6496104.

The previous prime is 12992209. The next prime is 12992251. The reversal of 12992212 is 21229921.

It can be written as a sum of positive squares in only one way, i.e., 11048976 + 1943236 = 3324^2 + 1394^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1624023 + ... + 1624030.

Almost surely, 212992212 is an apocalyptic number.

It is an amenable number.

12992212 is a deficient number, since it is larger than the sum of its proper divisors (9744166).

12992212 is a wasteful number, since it uses less digits than its factorization.

12992212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248057 (or 3248055 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

The square root of 12992212 is about 3604.4711123825. The cubic root of 12992212 is about 235.0865050475.

The spelling of 12992212 in words is "twelve million, nine hundred ninety-two thousand, two hundred twelve".

Divisors: 1 2 4 3248053 6496106 12992212