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12088961 = 23525607
BaseRepresentation
bin101110000111…
…011010000001
3211202011221022
4232013122001
511043321321
61111035225
7204516533
oct56073201
924664838
1012088961
116907685
12406bb15
132673641
141869853
1510dbdab
hexb87681

12088961 has 4 divisors (see below), whose sum is σ = 12614592. Its totient is φ = 11563332.

The previous prime is 12088949. The next prime is 12088981. The reversal of 12088961 is 16988021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16988021 = 48734883.

It is a cyclic number.

It is not a de Polignac number, because 12088961 - 26 = 12088897 is a prime.

It is a super-2 number, since 2×120889612 = 292285956119042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12088981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262781 + ... + 262826.

It is an arithmetic number, because the mean of its divisors is an integer number (3153648).

Almost surely, 212088961 is an apocalyptic number.

It is an amenable number.

12088961 is a deficient number, since it is larger than the sum of its proper divisors (525631).

12088961 is an equidigital number, since it uses as much as digits as its factorization.

12088961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525630.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 12088961 is about 3476.9183194317. The cubic root of 12088961 is about 229.5072057708.

The spelling of 12088961 in words is "twelve million, eighty-eight thousand, nine hundred sixty-one".

Divisors: 1 23 525607 12088961