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12028897 is a prime number
BaseRepresentation
bin101101111000…
…101111100001
3211122010112201
4231320233201
511034411042
61105453201
7204146446
oct55705741
924563481
1012028897
116876541
124041201
1326521ba
1418519cd
1510c91b7
hexb78be1

12028897 has 2 divisors, whose sum is σ = 12028898. Its totient is φ = 12028896.

The previous prime is 12028859. The next prime is 12028901. The reversal of 12028897 is 79882021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8785296 + 3243601 = 2964^2 + 1801^2 .

It is a cyclic number.

It is not a de Polignac number, because 12028897 - 27 = 12028769 is a prime.

It is not a weakly prime, because it can be changed into another prime (12028817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6014448 + 6014449.

It is an arithmetic number, because the mean of its divisors is an integer number (6014449).

Almost surely, 212028897 is an apocalyptic number.

It is an amenable number.

12028897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12028897 is an equidigital number, since it uses as much as digits as its factorization.

12028897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 12028897 is about 3468.2700298564. The cubic root of 12028897 is about 229.1264723482.

The spelling of 12028897 in words is "twelve million, twenty-eight thousand, eight hundred ninety-seven".