12252345 has 16 divisors (see below), whose sum is σ = 22404480. Its totient is φ = 5601024.

The previous prime is 12252323. The next prime is 12252349. The reversal of 12252345 is 54325221.

It is not a de Polignac number, because 12252345 - 2¹¹ = 12250297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12252349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58240 + ... + 58449.

It is an arithmetic number, because the mean of its divisors is an integer number (1400280).

Almost surely, 2^12252345 is an apocalyptic number.

12252345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12252345 is a deficient number, since it is larger than the sum of its proper divisors (10152135).

12252345 is a wasteful number, since it uses less digits than its factorization.

12252345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116704.

The product of its digits is 2400, while the sum is 24.

The square root of 12252345 is about 3500.3349839694. The cubic root of 12252345 is about 230.5365231516.

Adding to 12252345 its reverse (54325221), we get a palindrome (66577566).

It can be divided in two parts, 1225 and 2345, that added together give a triangular number (3570 = T₈₄).

The spelling of 12252345 in words is "twelve million, two hundred fifty-two thousand, three hundred forty-five".