12955775 has 24 divisors (see below), whose sum is σ = 18567264. Its totient is φ = 8784000.

The previous prime is 12955759. The next prime is 12955783. The reversal of 12955775 is 57755921.

It is not a de Polignac number, because 12955775 - 2⁴ = 12955759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17309 + ... + 18041.

It is an arithmetic number, because the mean of its divisors is an integer number (773636).

Almost surely, 2^12955775 is an apocalyptic number.

12955775 is a deficient number, since it is larger than the sum of its proper divisors (5611489).

12955775 is a wasteful number, since it uses less digits than its factorization.

12955775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851 (or 846 counting only the distinct ones).

The product of its digits is 110250, while the sum is 41.

The square root of 12955775 is about 3599.4131466115. The cubic root of 12955775 is about 234.8665305172.

The spelling of 12955775 in words is "twelve million, nine hundred fifty-five thousand, seven hundred seventy-five".