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12495953 is a prime number
BaseRepresentation
bin101111101010…
…110001010001
3212111212020002
4233222301101
511144332303
61123455345
7211133231
oct57526121
925455202
1012495953
117065438
124227555
132786972
141933cc1
15116c788
hexbeac51

12495953 has 2 divisors, whose sum is σ = 12495954. Its totient is φ = 12495952.

The previous prime is 12495949. The next prime is 12495971. The reversal of 12495953 is 35959421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11751184 + 744769 = 3428^2 + 863^2 .

It is an emirp because it is prime and its reverse (35959421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12495953 - 22 = 12495949 is a prime.

It is a super-2 number, since 2×124959532 = 312297682756418, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12495913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6247976 + 6247977.

It is an arithmetic number, because the mean of its divisors is an integer number (6247977).

Almost surely, 212495953 is an apocalyptic number.

It is an amenable number.

12495953 is a deficient number, since it is larger than the sum of its proper divisors (1).

12495953 is an equidigital number, since it uses as much as digits as its factorization.

12495953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 38.

The square root of 12495953 is about 3534.9615273720. The cubic root of 12495953 is about 232.0543929638.

The spelling of 12495953 in words is "twelve million, four hundred ninety-five thousand, nine hundred fifty-three".