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12343481 is a prime number
BaseRepresentation
bin101111000101…
…100010111001
3212020010001222
4233011202321
511124442411
61120321425
7206626553
oct57054271
925203058
1012343481
116a70927
124173275
132732447
1418d44d3
15113c4db
hexbc58b9

12343481 has 2 divisors, whose sum is σ = 12343482. Its totient is φ = 12343480.

The previous prime is 12343447. The next prime is 12343519. The reversal of 12343481 is 18434321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10758400 + 1585081 = 3280^2 + 1259^2 .

It is a cyclic number.

It is not a de Polignac number, because 12343481 - 214 = 12327097 is a prime.

It is a super-2 number, since 2×123434812 = 304723046394722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12343481.

It is not a weakly prime, because it can be changed into another prime (12343081) 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, 6171740 + 6171741.

It is an arithmetic number, because the mean of its divisors is an integer number (6171741).

Almost surely, 212343481 is an apocalyptic number.

It is an amenable number.

12343481 is a deficient number, since it is larger than the sum of its proper divisors (1).

12343481 is an equidigital number, since it uses as much as digits as its factorization.

12343481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 12343481 is about 3513.3290480682. The cubic root of 12343481 is about 231.1067078197.

The spelling of 12343481 in words is "twelve million, three hundred forty-three thousand, four hundred eighty-one".