12947055 has 16 divisors (see below), whose sum is σ = 22598784. Its totient is φ = 6277280.

The previous prime is 12947041. The next prime is 12947059. The reversal of 12947055 is 55074921.

It is not a de Polignac number, because 12947055 - 2⁶ = 12946991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12947059) 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, 39069 + ... + 39398.

It is an arithmetic number, because the mean of its divisors is an integer number (1412424).

Almost surely, 2^12947055 is an apocalyptic number.

12947055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12947055 is a deficient number, since it is larger than the sum of its proper divisors (9651729).

12947055 is a wasteful number, since it uses less digits than its factorization.

12947055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78486.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 12947055 is about 3598.2016341500. The cubic root of 12947055 is about 234.8138256860.

The spelling of 12947055 in words is "twelve million, nine hundred forty-seven thousand, fifty-five".