12550345 has 16 divisors (see below), whose sum is σ = 15417360. Its totient is φ = 9805824.

The previous prime is 12550339. The next prime is 12550357. The reversal of 12550345 is 54305521.

12550345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 328329 + 12222016 = 573^2 + 3496^2 .

It is a cyclic number.

It is not a de Polignac number, because 12550345 - 2³ = 12550337 is a prime.

It is a super-2 number, since 2×12550345² = 315022319238050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54691 + ... + 54919.

It is an arithmetic number, because the mean of its divisors is an integer number (963585).

Almost surely, 2^12550345 is an apocalyptic number.

It is an amenable number.

12550345 is a deficient number, since it is larger than the sum of its proper divisors (2867015).

12550345 is a wasteful number, since it uses less digits than its factorization.

12550345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 12550345 is about 3542.6466095280. The cubic root of 12550345 is about 232.3905987015.

Adding to 12550345 its reverse (54305521), we get a palindrome (66855866).

The spelling of 12550345 in words is "twelve million, five hundred fifty thousand, three hundred forty-five".