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12037139 = 17241651
BaseRepresentation
bin101101111010…
…110000010011
3211122112211222
4231322300103
511040142024
61105555255
7204212462
oct55726023
924575758
1012037139
116881754
124045b2b
132655b8a
1418549d9
1510cb85e
hexb7ac13

12037139 has 6 divisors (see below), whose sum is σ = 12787164. Its totient is φ = 11328800.

The previous prime is 12037097. The next prime is 12037141. The reversal of 12037139 is 93173021.

It is a de Polignac number, because none of the positive numbers 2k-12037139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12037159) 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 5 ways as a sum of consecutive naturals, for example, 20537 + ... + 21114.

It is an arithmetic number, because the mean of its divisors is an integer number (2131194).

Almost surely, 212037139 is an apocalyptic number.

12037139 is a deficient number, since it is larger than the sum of its proper divisors (750025).

12037139 is an equidigital number, since it uses as much as digits as its factorization.

12037139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41685 (or 41668 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 12037139 is about 3469.4580268394. The cubic root of 12037139 is about 229.1787916156.

The spelling of 12037139 in words is "twelve million, thirty-seven thousand, one hundred thirty-nine".

Divisors: 1 17 289 41651 708067 12037139