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12087706 = 231194963
BaseRepresentation
bin101110000111…
…000110011010
3211202010012211
4232013012122
511043301311
61111025334
7204513061
oct56070632
924663184
1012087706
116906744
12406b24a
132672bb7
1418691d8
1510db821
hexb8719a

12087706 has 8 divisors (see below), whose sum is σ = 18716544. Its totient is φ = 5848860.

The previous prime is 12087703. The next prime is 12087709. The reversal of 12087706 is 60778021.

It is a happy number.

12087706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12087703) and next prime (12087709).

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

It is a super-2 number, since 2×120877062 = 292225272684872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (12087703) 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, 97420 + ... + 97543.

It is an arithmetic number, because the mean of its divisors is an integer number (2339568).

Almost surely, 212087706 is an apocalyptic number.

12087706 is a deficient number, since it is larger than the sum of its proper divisors (6628838).

12087706 is a wasteful number, since it uses less digits than its factorization.

12087706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194996.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 12087706 is about 3476.7378388369. The cubic root of 12087706 is about 229.4992634971.

The spelling of 12087706 in words is "twelve million, eighty-seven thousand, seven hundred six".

Divisors: 1 2 31 62 194963 389926 6043853 12087706