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12141291 = 337891229
BaseRepresentation
bin101110010100…
…001011101011
3211211211201110
4232110023223
511102010131
61112121403
7205125231
oct56241353
924754643
1012141291
116942a28
124096263
1326913c6
141880951
1510ec646
hexb942eb

12141291 has 16 divisors (see below), whose sum is σ = 16826400. Its totient is φ = 7780608.

The previous prime is 12141277. The next prime is 12141317. The reversal of 12141291 is 19214121.

It is a happy number.

It is not a de Polignac number, because 12141291 - 27 = 12141163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12141221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9265 + ... + 10493.

It is an arithmetic number, because the mean of its divisors is an integer number (1051650).

Almost surely, 212141291 is an apocalyptic number.

12141291 is a deficient number, since it is larger than the sum of its proper divisors (4685109).

12141291 is a wasteful number, since it uses less digits than its factorization.

12141291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358.

The product of its digits is 144, while the sum is 21.

The square root of 12141291 is about 3484.4355353486. The cubic root of 12141291 is about 229.8378882856.

The spelling of 12141291 in words is "twelve million, one hundred forty-one thousand, two hundred ninety-one".

Divisors: 1 3 37 89 111 267 1229 3293 3687 9879 45473 109381 136419 328143 4047097 12141291