12351045 has 64 divisors (see below), whose sum is σ = 24514560. Its totient is φ = 5184000.

The previous prime is 12351041. The next prime is 12351047. The reversal of 12351045 is 54015321.

It is not a de Polignac number, because 12351045 - 2² = 12351041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12351041) 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 63 ways as a sum of consecutive naturals, for example, 81720 + ... + 81870.

It is an arithmetic number, because the mean of its divisors is an integer number (383040).

Almost surely, 2^12351045 is an apocalyptic number.

12351045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12351045 is a deficient number, since it is larger than the sum of its proper divisors (12163515).

12351045 is a wasteful number, since it uses less digits than its factorization.

12351045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12351045 is about 3514.4053551063. The cubic root of 12351045 is about 231.1539050457.

Adding to 12351045 its reverse (54015321), we get a palindrome (66366366).

The spelling of 12351045 in words is "twelve million, three hundred fifty-one thousand, forty-five".