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12632851 = 711359457
BaseRepresentation
bin110000001100…
…001100010011
3212202211000101
4300030030103
511213222401
61130433231
7212243320
oct60141423
925684011
1012632851
117149280
124292817
13280407a
14196bb47
151198101
hexc0c313

12632851 has 16 divisors (see below), whose sum is σ = 15828480. Its totient is φ = 9794880.

The previous prime is 12632839. The next prime is 12632857. The reversal of 12632851 is 15823621.

12632851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

12632851 is a nontrivial binomial coefficient, being equal to C(5027, 2).

It is a cyclic number.

It is not a de Polignac number, because 12632851 - 217 = 12501779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12632857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27415 + ... + 27871.

It is an arithmetic number, because the mean of its divisors is an integer number (989280).

Almost surely, 212632851 is an apocalyptic number.

12632851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12632851 is the 5026-th triangular number.

12632851 is the 1676-th centered nonagonal number.

12632851 is a deficient number, since it is larger than the sum of its proper divisors (3195629).

12632851 is a wasteful number, since it uses less digits than its factorization.

12632851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834.

The product of its digits is 2880, while the sum is 28.

The square root of 12632851 is about 3554.2722180497. The cubic root of 12632851 is about 232.8987322950.

It can be divided in two parts, 1263 and 2851, that added together give a palindrome (4114).

The spelling of 12632851 in words is "twelve million, six hundred thirty-two thousand, eight hundred fifty-one".

Divisors: 1 7 11 77 359 457 2513 3199 3949 5027 27643 35189 164063 1148441 1804693 12632851