12551045 has 8 divisors (see below), whose sum is σ = 16219896. Its totient is φ = 9268416.

The previous prime is 12551017. The next prime is 12551053. The reversal of 12551045 is 54015521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 391876 + 12159169 = 626^2 + 3487^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12551045 - 2⁸ = 12550789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12551045.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 96482 + ... + 96611.

It is an arithmetic number, because the mean of its divisors is an integer number (2027487).

Almost surely, 2^12551045 is an apocalyptic number.

It is an amenable number.

12551045 is a deficient number, since it is larger than the sum of its proper divisors (3668851).

12551045 is a wasteful number, since it uses less digits than its factorization.

12551045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193111.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 12551045 is about 3542.7454043439. The cubic root of 12551045 is about 232.3949191776.

Adding to 12551045 its reverse (54015521), we get a palindrome (66566566).

The spelling of 12551045 in words is "twelve million, five hundred fifty-one thousand, forty-five".