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12276107 = 81115137
BaseRepresentation
bin101110110101…
…000110001011
3212002200122122
4232311012023
511120313412
61115041455
7206226254
oct56650613
925080578
1012276107
116a25248
12414028b
13270a88c
1418b7b2b
151127572
hexbb518b

12276107 has 4 divisors (see below), whose sum is σ = 12292056. Its totient is φ = 12260160.

The previous prime is 12276101. The next prime is 12276127. The reversal of 12276107 is 70167221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70167221 = 167420163.

It is a cyclic number.

It is not a de Polignac number, because 12276107 - 222 = 8081803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12276101) 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, 6758 + ... + 8379.

It is an arithmetic number, because the mean of its divisors is an integer number (3073014).

Almost surely, 212276107 is an apocalyptic number.

12276107 is a deficient number, since it is larger than the sum of its proper divisors (15949).

12276107 is an equidigital number, since it uses as much as digits as its factorization.

12276107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15948.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 12276107 is about 3503.7275864428. The cubic root of 12276107 is about 230.6854598478.

The spelling of 12276107 in words is "twelve million, two hundred seventy-six thousand, one hundred seven".

Divisors: 1 811 15137 12276107