12926655 has 32 divisors (see below), whose sum is σ = 26265600. Its totient is φ = 5908896.

The previous prime is 12926651. The next prime is 12926671. The reversal of 12926655 is 55662921.

It is not a de Polignac number, because 12926655 - 2² = 12926651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12926651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5895 + ... + 7784.

It is an arithmetic number, because the mean of its divisors is an integer number (820800).

Almost surely, 2^12926655 is an apocalyptic number.

12926655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12926655 is an abundant number, since it is smaller than the sum of its proper divisors (13338945).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12926655 is a wasteful number, since it uses less digits than its factorization.

12926655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13700 (or 13694 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 12926655 is about 3595.3657672064. The cubic root of 12926655 is about 234.6904328852.

The spelling of 12926655 in words is "twelve million, nine hundred twenty-six thousand, six hundred fifty-five".