12231045 has 24 divisors (see below), whose sum is σ = 21655296. Its totient is φ = 6383328.

The previous prime is 12231001. The next prime is 12231059. The reversal of 12231045 is 54013221.

It is not a de Polignac number, because 12231045 - 2⁸ = 12230789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 777 + ... + 5006.

It is an arithmetic number, because the mean of its divisors is an integer number (902304).

Almost surely, 2^12231045 is an apocalyptic number.

12231045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12231045 is a deficient number, since it is larger than the sum of its proper divisors (9424251).

12231045 is a wasteful number, since it uses less digits than its factorization.

12231045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841 (or 5838 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12231045 is about 3497.2910945473. The cubic root of 12231045 is about 230.4028541494.

Adding to 12231045 its reverse (54013221), we get a palindrome (66244266).

The spelling of 12231045 in words is "twelve million, two hundred thirty-one thousand, forty-five".