12250545 has 8 divisors (see below), whose sum is σ = 19600896. Its totient is φ = 6533616.

The previous prime is 12250543. The next prime is 12250561. The reversal of 12250545 is 54505221.

It is a happy number.

12250545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12250545 - 2¹ = 12250543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12250541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408337 + ... + 408366.

It is an arithmetic number, because the mean of its divisors is an integer number (2450112).

Almost surely, 2^12250545 is an apocalyptic number.

12250545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12250545 is a deficient number, since it is larger than the sum of its proper divisors (7350351).

12250545 is an equidigital number, since it uses as much as digits as its factorization.

12250545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816711.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 12250545 is about 3500.0778562769. The cubic root of 12250545 is about 230.5252331751.

Adding to 12250545 its reverse (54505221), we get a palindrome (66755766).

The spelling of 12250545 in words is "twelve million, two hundred fifty thousand, five hundred forty-five".