12071103 has 8 divisors (see below), whose sum is σ = 17558016. Its totient is φ = 7315800.

The previous prime is 12071093. The next prime is 12071117. The reversal of 12071103 is 30117021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12071103 - 2⁸ = 12070847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12071123) 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 7 ways as a sum of consecutive naturals, for example, 182863 + ... + 182928.

It is an arithmetic number, because the mean of its divisors is an integer number (2194752).

Almost surely, 2^12071103 is an apocalyptic number.

12071103 is a deficient number, since it is larger than the sum of its proper divisors (5486913).

12071103 is a wasteful number, since it uses less digits than its factorization.

12071103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365805.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 12071103 is about 3474.3492915940. The cubic root of 12071103 is about 229.3941395478.

Adding to 12071103 its reverse (30117021), we get a palindrome (42188124).

The spelling of 12071103 in words is "twelve million, seventy-one thousand, one hundred three".