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12152897 is a prime number
BaseRepresentation
bin101110010111…
…000001000001
3211212102122022
4232113001001
511102343042
61112251225
7205204121
oct56270101
924772568
1012152897
116950719
1240a0b15
132696783
141884c81
151100cd2
hexb97041

12152897 has 2 divisors, whose sum is σ = 12152898. Its totient is φ = 12152896.

The previous prime is 12152891. The next prime is 12152923. The reversal of 12152897 is 79825121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12138256 + 14641 = 3484^2 + 121^2 .

It is a cyclic number.

It is not a de Polignac number, because 12152897 - 214 = 12136513 is a prime.

It is equal to p797426 and since 12152897 and 797426 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (12152891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6076448 + 6076449.

It is an arithmetic number, because the mean of its divisors is an integer number (6076449).

Almost surely, 212152897 is an apocalyptic number.

It is an amenable number.

12152897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12152897 is an equidigital number, since it uses as much as digits as its factorization.

12152897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 35.

The square root of 12152897 is about 3486.1005435873. The cubic root of 12152897 is about 229.9110998580.

The spelling of 12152897 in words is "twelve million, one hundred fifty-two thousand, eight hundred ninety-seven".