12550475 has 24 divisors (see below), whose sum is σ = 18406560. Its totient is φ = 8305920.

The previous prime is 12550463. The next prime is 12550481. The reversal of 12550475 is 57405521.

12550475 = 1336² + 1337² + ... + 1342².

It is not a de Polignac number, because 12550475 - 2⁴ = 12550459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 23 ways as a sum of consecutive naturals, for example, 3839 + ... + 6311.

It is an arithmetic number, because the mean of its divisors is an integer number (766940).

Almost surely, 2^12550475 is an apocalyptic number.

12550475 is a deficient number, since it is larger than the sum of its proper divisors (5856085).

12550475 is a wasteful number, since it uses less digits than its factorization.

12550475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519 (or 2514 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 12550475 is about 3542.6649573450. The cubic root of 12550475 is about 232.3914010878.

Adding to 12550475 its reverse (57405521), we get a palindrome (69955996).

The spelling of 12550475 in words is "twelve million, five hundred fifty thousand, four hundred seventy-five".