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12027089 is a prime number
BaseRepresentation
bin101101111000…
…010011010001
3211122001001202
4231320103101
511034331324
61105440545
7204141254
oct55702321
924561052
1012027089
116875148
124040155
132651429
14185109b
1510c88ae
hexb784d1

12027089 has 2 divisors, whose sum is σ = 12027090. Its totient is φ = 12027088.

The previous prime is 12027077. The next prime is 12027139. The reversal of 12027089 is 98072021.

It is a happy number.

12027089 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10627600 + 1399489 = 3260^2 + 1183^2 .

It is an emirp because it is prime and its reverse (98072021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12027089 - 24 = 12027073 is a prime.

It is not a weakly prime, because it can be changed into another prime (12027049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6013544 + 6013545.

It is an arithmetic number, because the mean of its divisors is an integer number (6013545).

Almost surely, 212027089 is an apocalyptic number.

It is an amenable number.

12027089 is a deficient number, since it is larger than the sum of its proper divisors (1).

12027089 is an equidigital number, since it uses as much as digits as its factorization.

12027089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 12027089 is about 3468.0093713830. The cubic root of 12027089 is about 229.1149921762.

Subtracting from 12027089 its sum of digits (29), we obtain a triangular number (12027060 = T4904).

The spelling of 12027089 in words is "twelve million, twenty-seven thousand, eighty-nine".