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12722672 = 243721491
BaseRepresentation
bin110000100010…
…000111110000
3212221101020002
4300202013300
511224111142
61132405132
7213066224
oct60420760
925841202
1012722672
1171aa806
1243167a8
132835c11
141992784
1511b4a32
hexc221f0

12722672 has 20 divisors (see below), whose sum is σ = 25317576. Its totient is φ = 6189120.

The previous prime is 12722653. The next prime is 12722683. The reversal of 12722672 is 27622721.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10154 + ... + 11337.

Almost surely, 212722672 is an apocalyptic number.

It is an amenable number.

12722672 is a deficient number, since it is larger than the sum of its proper divisors (12594904).

12722672 is a wasteful number, since it uses less digits than its factorization.

12722672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21536 (or 21530 counting only the distinct ones).

The product of its digits is 4704, while the sum is 29.

The square root of 12722672 is about 3566.8854761542. The cubic root of 12722672 is about 233.4494080072.

The spelling of 12722672 in words is "twelve million, seven hundred twenty-two thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 37 74 148 296 592 21491 42982 85964 171928 343856 795167 1590334 3180668 6361336 12722672