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12079031 = 19163241
BaseRepresentation
bin101110000100…
…111110110111
3211201200022112
4232010332313
511043012111
61110521235
7204445556
oct56047667
924650275
1012079031
116900178
12406621b
13266bc73
141865d9d
1510d8e8b
hexb84fb7

12079031 has 4 divisors (see below), whose sum is σ = 12142464. Its totient is φ = 12015600.

The previous prime is 12079013. The next prime is 12079043. The reversal of 12079031 is 13097021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12079031 - 214 = 12062647 is a prime.

It is a super-2 number, since 2×120790312 = 291805979797922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12078988 and 12079006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12079931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31430 + ... + 31811.

It is an arithmetic number, because the mean of its divisors is an integer number (3035616).

Almost surely, 212079031 is an apocalyptic number.

12079031 is a deficient number, since it is larger than the sum of its proper divisors (63433).

12079031 is an equidigital number, since it uses as much as digits as its factorization.

12079031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63432.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 12079031 is about 3475.4900373904. The cubic root of 12079031 is about 229.4443486778. Note that the first 3 decimals are identical.

The spelling of 12079031 in words is "twelve million, seventy-nine thousand, thirty-one".

Divisors: 1 191 63241 12079031