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12608901 = 321400989
BaseRepresentation
bin110000000110…
…010110000101
3212201121011100
4300012112011
511211441101
61130130313
7212113434
oct60062605
925647140
1012608901
117132288
124280999
1327c61b6
14196311b
151190e86
hexc06585

12608901 has 6 divisors (see below), whose sum is σ = 18212870. Its totient is φ = 8405928.

The previous prime is 12608891. The next prime is 12608903. The reversal of 12608901 is 10980621.

It can be written as a sum of positive squares in only one way, i.e., 12068676 + 540225 = 3474^2 + 735^2 .

It is not a de Polignac number, because 12608901 - 210 = 12607877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12608903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 700486 + ... + 700503.

Almost surely, 212608901 is an apocalyptic number.

It is an amenable number.

12608901 is a deficient number, since it is larger than the sum of its proper divisors (5603969).

12608901 is a wasteful number, since it uses less digits than its factorization.

12608901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400995 (or 1400992 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 12608901 is about 3550.9014348472. The cubic root of 12608901 is about 232.7514587744.

The spelling of 12608901 in words is "twelve million, six hundred eight thousand, nine hundred one".

Divisors: 1 3 9 1400989 4202967 12608901