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12551129 = 591991069
BaseRepresentation
bin101111111000…
…001111011001
3212121122220122
4233320033121
511203114004
61125003025
7211453133
oct57701731
925548818
1012551129
1170a2938
124253475
1327a5b06
14194a053
15117dcbe
hexbf83d9

12551129 has 8 divisors (see below), whose sum is σ = 12840000. Its totient is φ = 12264912.

The previous prime is 12551111. The next prime is 12551131. The reversal of 12551129 is 92115521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12551129 - 28 = 12550873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12551098 and 12551107.

It is not an unprimeable number, because it can be changed into a prime (12551179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11207 + ... + 12275.

It is an arithmetic number, because the mean of its divisors is an integer number (1605000).

Almost surely, 212551129 is an apocalyptic number.

It is an amenable number.

12551129 is a deficient number, since it is larger than the sum of its proper divisors (288871).

12551129 is a wasteful number, since it uses less digits than its factorization.

12551129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327.

The product of its digits is 900, while the sum is 26.

The square root of 12551129 is about 3542.7572595367. The cubic root of 12551129 is about 232.3954376239.

The spelling of 12551129 in words is "twelve million, five hundred fifty-one thousand, one hundred twenty-nine".

Divisors: 1 59 199 1069 11741 63071 212731 12551129