12995775 has 48 divisors (see below), whose sum is σ = 25727520. Its totient is φ = 6393600.

The previous prime is 12995747. The next prime is 12995779. The reversal of 12995775 is 57759921.

It is not a de Polignac number, because 12995775 - 2⁶ = 12995711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12995775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12995779) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8035 + ... + 9515.

It is an arithmetic number, because the mean of its divisors is an integer number (535990).

Almost surely, 2^12995775 is an apocalyptic number.

12995775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12995775 is a deficient number, since it is larger than the sum of its proper divisors (12731745).

12995775 is a wasteful number, since it uses less digits than its factorization.

12995775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513 (or 1502 counting only the distinct ones).

The product of its digits is 198450, while the sum is 45.

The square root of 12995775 is about 3604.9653257694. The cubic root of 12995775 is about 235.1079932196.

The spelling of 12995775 in words is "twelve million, nine hundred ninety-five thousand, seven hundred seventy-five".