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12143096 = 237216841
BaseRepresentation
bin101110010100…
…100111111000
3211211221012022
4232110213320
511102034341
61112134012
7205133420
oct56244770
924757168
1012143096
116944319
124097308
132692184
141881480
1510ece4b
hexb949f8

12143096 has 16 divisors (see below), whose sum is σ = 26021040. Its totient is φ = 5204160.

The previous prime is 12143077. The next prime is 12143099. The reversal of 12143096 is 69034121.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143099) 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 3 ways as a sum of consecutive naturals, for example, 108365 + ... + 108476.

It is an arithmetic number, because the mean of its divisors is an integer number (1626315).

Almost surely, 212143096 is an apocalyptic number.

It is an amenable number.

12143096 is an abundant number, since it is smaller than the sum of its proper divisors (13877944).

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

12143096 is a wasteful number, since it uses less digits than its factorization.

12143096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216854 (or 216850 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 12143096 is about 3484.6945346759. The cubic root of 12143096 is about 229.8492774322.

The spelling of 12143096 in words is "twelve million, one hundred forty-three thousand, ninety-six".

Divisors: 1 2 4 7 8 14 28 56 216841 433682 867364 1517887 1734728 3035774 6071548 12143096