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12032129 = 292711531
BaseRepresentation
bin101101111001…
…100010000001
3211122021222102
4231321202001
511040012004
61105520145
7204162044
oct55714201
924567872
1012032129
116878a0a
124043055
132653805
141852c5b
1510ca11e
hexb79881

12032129 has 8 divisors (see below), whose sum is σ = 12501120. Its totient is φ = 11566800.

The previous prime is 12032089. The next prime is 12032143. The reversal of 12032129 is 92123021.

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 12032129 - 212 = 12028033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12032129.

It is not an unprimeable number, because it can be changed into a prime (12032179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7094 + ... + 8624.

It is an arithmetic number, because the mean of its divisors is an integer number (1562640).

Almost surely, 212032129 is an apocalyptic number.

It is an amenable number.

12032129 is a deficient number, since it is larger than the sum of its proper divisors (468991).

12032129 is a wasteful number, since it uses less digits than its factorization.

12032129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12032129 is about 3468.7359369084. The cubic root of 12032129 is about 229.1469915597.

The spelling of 12032129 in words is "twelve million, thirty-two thousand, one hundred twenty-nine".

Divisors: 1 29 271 1531 7859 44399 414901 12032129