12955005 has 32 divisors (see below), whose sum is σ = 26323200. Its totient is φ = 5921856.

The previous prime is 12955001. The next prime is 12955027. The reversal of 12955005 is 50055921.

It is not a de Polignac number, because 12955005 - 2² = 12955001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12955005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12955001) 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, 5910 + ... + 7799.

It is an arithmetic number, because the mean of its divisors is an integer number (822600).

Almost surely, 2^12955005 is an apocalyptic number.

12955005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12955005 is an abundant number, since it is smaller than the sum of its proper divisors (13368195).

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

12955005 is a wasteful number, since it uses less digits than its factorization.

12955005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13730 (or 13724 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 12955005 is about 3599.3061831414. The cubic root of 12955005 is about 234.8618774876.

The spelling of 12955005 in words is "twelve million, nine hundred fifty-five thousand, five".