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12080029 = 131948907
BaseRepresentation
bin101110000101…
…001110011101
3211201201200111
4232011032131
511043030104
61110530021
7204451513
oct56051635
924651614
1012080029
1169009a5
124066911
13266c560
1418664b3
1510d9404
hexb8539d

12080029 has 8 divisors (see below), whose sum is σ = 13694240. Its totient is φ = 10563696.

The previous prime is 12080027. The next prime is 12080141. The reversal of 12080029 is 92008021.

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

It is not a de Polignac number, because 12080029 - 21 = 12080027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12079991 and 12080009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12080023) 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 7 ways as a sum of consecutive naturals, for example, 24207 + ... + 24700.

It is an arithmetic number, because the mean of its divisors is an integer number (1711780).

Almost surely, 212080029 is an apocalyptic number.

12080029 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12080029 is a deficient number, since it is larger than the sum of its proper divisors (1614211).

12080029 is a wasteful number, since it uses less digits than its factorization.

12080029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48939.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 12080029 is about 3475.6336113002. The cubic root of 12080029 is about 229.4506675940.

The spelling of 12080029 in words is "twelve million, eighty thousand, twenty-nine".

Divisors: 1 13 19 247 48907 635791 929233 12080029