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12701672 = 231587709
BaseRepresentation
bin110000011100…
…111111101000
3212220022102022
4300130333220
511222423142
61132124012
7212651054
oct60347750
925808368
1012701672
117195a55
124306608
1328294a9
141988c64
1511ad6d2
hexc1cfe8

12701672 has 8 divisors (see below), whose sum is σ = 23815650. Its totient is φ = 6350832.

The previous prime is 12701653. The next prime is 12701683. The reversal of 12701672 is 27610721.

It can be written as a sum of positive squares in only one way, i.e., 12630916 + 70756 = 3554^2 + 266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×127016722 = 322664943191168, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

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, 793847 + ... + 793862.

Almost surely, 212701672 is an apocalyptic number.

It is an amenable number.

12701672 is a deficient number, since it is larger than the sum of its proper divisors (11113978).

12701672 is a wasteful number, since it uses less digits than its factorization.

12701672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587715 (or 1587711 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 12701672 is about 3563.9405157774. The cubic root of 12701672 is about 233.3208936679.

The spelling of 12701672 in words is "twelve million, seven hundred one thousand, six hundred seventy-two".

Divisors: 1 2 4 8 1587709 3175418 6350836 12701672