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12946951 is a prime number
BaseRepresentation
bin110001011000…
…111000000111
3220100202212201
4301120320013
511303300301
61141255331
7215022133
oct61307007
926322781
1012946951
117343266
124404547
1328b4024
141a103c3
15120b201
hexc58e07

12946951 has 2 divisors, whose sum is σ = 12946952. Its totient is φ = 12946950.

The previous prime is 12946931. The next prime is 12946987. The reversal of 12946951 is 15964921.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12946951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12946951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12946931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6473475 + 6473476.

It is an arithmetic number, because the mean of its divisors is an integer number (6473476).

Almost surely, 212946951 is an apocalyptic number.

12946951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12946951 is an equidigital number, since it uses as much as digits as its factorization.

12946951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 37.

The square root of 12946951 is about 3598.1871824573. The cubic root of 12946951 is about 234.8131969535.

The spelling of 12946951 in words is "twelve million, nine hundred forty-six thousand, nine hundred fifty-one".