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12625634 = 272128833
BaseRepresentation
bin110000001010…
…011011100010
3212202110010002
4300022123202
511213010014
61130340002
7212213300
oct60123342
925673102
1012625634
11714390a
12428a602
1328009b8
141969270
151195dde
hexc0a6e2

12625634 has 12 divisors (see below), whose sum is σ = 22030614. Its totient is φ = 5410944.

The previous prime is 12625631. The next prime is 12625651. The reversal of 12625634 is 43652621.

It can be written as a sum of positive squares in only one way, i.e., 11055625 + 1570009 = 3325^2 + 1253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12625597 and 12625606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12625631) 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, 64319 + ... + 64514.

Almost surely, 212625634 is an apocalyptic number.

12625634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12625634 is a deficient number, since it is larger than the sum of its proper divisors (9404980).

12625634 is a wasteful number, since it uses less digits than its factorization.

12625634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128849 (or 128842 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 12625634 is about 3553.2568159366. The cubic root of 12625634 is about 232.8543730728.

The spelling of 12625634 in words is "twelve million, six hundred twenty-five thousand, six hundred thirty-four".

Divisors: 1 2 7 14 49 98 128833 257666 901831 1803662 6312817 12625634