12552345 has 48 divisors (see below), whose sum is σ = 24024000. Its totient is φ = 6023808.

The previous prime is 12552317. The next prime is 12552349. The reversal of 12552345 is 54325521.

It is a happy number.

It is not a de Polignac number, because 12552345 - 2¹¹ = 12550297 is a prime.

It is a super-2 number, since 2×12552345² = 315122729998050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12552349) 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 47 ways as a sum of consecutive naturals, for example, 24906 + ... + 25404.

It is an arithmetic number, because the mean of its divisors is an integer number (500500).

Almost surely, 2^12552345 is an apocalyptic number.

12552345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12552345 is a deficient number, since it is larger than the sum of its proper divisors (11471655).

12552345 is a wasteful number, since it uses less digits than its factorization.

12552345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 563 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 12552345 is about 3542.9288731218. The cubic root of 12552345 is about 232.4029424926.

Adding to 12552345 its reverse (54325521), we get a palindrome (66877866).

It can be divided in two parts, 1255 and 2345, that added together give a square (3600 = 60²).

The spelling of 12552345 in words is "twelve million, five hundred fifty-two thousand, three hundred forty-five".