12906550 has 12 divisors (see below), whose sum is σ = 24006276. Its totient is φ = 5162600.

The previous prime is 12906541. The next prime is 12906559. The reversal of 12906550 is 5560921.

It is an interprime number because it is at equal distance from previous prime (12906541) and next prime (12906559).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12906559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129016 + ... + 129115.

It is an arithmetic number, because the mean of its divisors is an integer number (2000523).

Almost surely, 2^12906550 is an apocalyptic number.

12906550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12906550 is a deficient number, since it is larger than the sum of its proper divisors (11099726).

12906550 is a wasteful number, since it uses less digits than its factorization.

12906550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258143 (or 258138 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 12906550 is about 3592.5687188974. The cubic root of 12906550 is about 234.5686973577.

It can be divided in two parts, 12906 and 550, that added together give a square (13456 = 116²).

The spelling of 12906550 in words is "twelve million, nine hundred six thousand, five hundred fifty".