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12669696 = 28341347
BaseRepresentation
bin110000010101…
…001100000000
3212211200120000
4300111030000
511220412241
61131320000
7212455614
oct60251400
925750500
1012669696
117173a26
1242b0000
132817a80
14197b344
1511a3eb6
hexc15300

12669696 has 180 divisors, whose sum is σ = 41550432. Its totient is φ = 3815424.

The previous prime is 12669689. The next prime is 12669707. The reversal of 12669696 is 69696621.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 269545 + ... + 269591.

Almost surely, 212669696 is an apocalyptic number.

12669696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12669696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20775216).

12669696 is an abundant number, since it is smaller than the sum of its proper divisors (28880736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12669696 is an equidigital number, since it uses as much as digits as its factorization.

12669696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 65 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 12669696 is about 3559.4516431608. The cubic root of 12669696 is about 233.1249368332.

The spelling of 12669696 in words is "twelve million, six hundred sixty-nine thousand, six hundred ninety-six".