12161459 has 2 divisors, whose sum is σ = 12161460. Its totient is φ = 12161458.

The previous prime is 12161453. The next prime is 12161467. The reversal of 12161459 is 95416121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12161459 is a prime.

It is not a weakly prime, because it can be changed into another prime (12161453) 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, 6080729 + 6080730.

It is an arithmetic number, because the mean of its divisors is an integer number (6080730).

Almost surely, 2^12161459 is an apocalyptic number.

12161459 is a deficient number, since it is larger than the sum of its proper divisors (1).

12161459 is an equidigital number, since it uses as much as digits as its factorization.

12161459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 29.

The square root of 12161459 is about 3487.3283470301. The cubic root of 12161459 is about 229.9650797646.

The spelling of 12161459 in words is "twelve million, one hundred sixty-one thousand, four hundred fifty-nine".