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12625643 = 23229823
BaseRepresentation
bin110000001010…
…011011101011
3212202110010102
4300022123223
511213010033
61130340015
7212213312
oct60123353
925673112
1012625643
117143918
12428a60b
1328009c4
141969279
151195de8
hexc0a6eb

12625643 has 12 divisors (see below), whose sum is σ = 13670160. Its totient is φ = 11646096.

The previous prime is 12625631. The next prime is 12625651. The reversal of 12625643 is 34652621.

12625643 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12625643 - 212 = 12621547 is a prime.

It is a super-2 number, since 2×126256432 = 318813722326898, which contains 22 as substring.

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 Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12625693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14930 + ... + 15752.

It is an arithmetic number, because the mean of its divisors is an integer number (1139180).

Almost surely, 212625643 is an apocalyptic number.

12625643 is a deficient number, since it is larger than the sum of its proper divisors (1044517).

12625643 is an equidigital number, since it uses as much as digits as its factorization.

12625643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 875 counting only the distinct ones).

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

The square root of 12625643 is about 3553.2580823802. The cubic root of 12625643 is about 232.8544284018.

The spelling of 12625643 in words is "twelve million, six hundred twenty-five thousand, six hundred forty-three".

Divisors: 1 23 29 529 667 823 15341 18929 23867 435367 548941 12625643