12650055 has 16 divisors (see below), whose sum is σ = 22080384. Its totient is φ = 6133280.

The previous prime is 12650051. The next prime is 12650063. The reversal of 12650055 is 55005621.

It is not a de Polignac number, because 12650055 - 2² = 12650051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12650051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38169 + ... + 38498.

It is an arithmetic number, because the mean of its divisors is an integer number (1380024).

Almost surely, 2^12650055 is an apocalyptic number.

12650055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12650055 is a deficient number, since it is larger than the sum of its proper divisors (9430329).

12650055 is a wasteful number, since it uses less digits than its factorization.

12650055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76686.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 12650055 is about 3556.6915806688. The cubic root of 12650055 is about 233.0044084217.

Adding to 12650055 its reverse (55005621), we get a palindrome (67655676).

The spelling of 12650055 in words is "twelve million, six hundred fifty thousand, fifty-five".