12459161 has 16 divisors (see below), whose sum is σ = 14759808. Its totient is φ = 10368000.

The previous prime is 12459143. The next prime is 12459163. The reversal of 12459161 is 16195421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12459161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12459163) 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 in 15 ways as a sum of consecutive naturals, for example, 21305 + ... + 21881.

It is an arithmetic number, because the mean of its divisors is an integer number (922488).

Almost surely, 2^12459161 is an apocalyptic number.

12459161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12459161 is a deficient number, since it is larger than the sum of its proper divisors (2300647).

12459161 is a wasteful number, since it uses less digits than its factorization.

12459161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752.

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

The square root of 12459161 is about 3529.7536741252. The cubic root of 12459161 is about 231.8264221367.

The spelling of 12459161 in words is "twelve million, four hundred fifty-nine thousand, one hundred sixty-one".