12161703 has 16 divisors (see below), whose sum is σ = 16837632. Its totient is φ = 7800000.

The previous prime is 12161689. The next prime is 12161711. The reversal of 12161703 is 30716121.

It is not a de Polignac number, because 12161703 - 2⁸ = 12161447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12161703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12161003) 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, 23083 + ... + 23603.

It is an arithmetic number, because the mean of its divisors is an integer number (1052352).

Almost surely, 2^12161703 is an apocalyptic number.

12161703 is a deficient number, since it is larger than the sum of its proper divisors (4675929).

12161703 is a wasteful number, since it uses less digits than its factorization.

12161703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 12161703 is about 3487.3633306554. The cubic root of 12161703 is about 229.9666177134.

Adding to 12161703 its reverse (30716121), we get a palindrome (42877824).

The spelling of 12161703 in words is "twelve million, one hundred sixty-one thousand, seven hundred three".