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12512057 is a prime number
BaseRepresentation
bin101111101110…
…101100111001
3212112200022112
4233232230321
511200341212
61124102105
7211231205
oct57565471
925480275
1012512057
117076548
124234935
1327910ac
141939b05
151172422
hexbeeb39

12512057 has 2 divisors, whose sum is σ = 12512058. Its totient is φ = 12512056.

The previous prime is 12512047. The next prime is 12512063. The reversal of 12512057 is 75021521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7295401 + 5216656 = 2701^2 + 2284^2 .

It is a cyclic number.

It is not a de Polignac number, because 12512057 - 216 = 12446521 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12512047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256028 + 6256029.

It is an arithmetic number, because the mean of its divisors is an integer number (6256029).

Almost surely, 212512057 is an apocalyptic number.

It is an amenable number.

12512057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12512057 is an equidigital number, since it uses as much as digits as its factorization.

12512057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 12512057 is about 3537.2386122511. The cubic root of 12512057 is about 232.1540358843.

Adding to 12512057 its reverse (75021521), we get a palindrome (87533578).

The spelling of 12512057 in words is "twelve million, five hundred twelve thousand, fifty-seven".