12473775 has 18 divisors (see below), whose sum is σ = 22342320. Its totient is φ = 6652560.

The previous prime is 12473771. The next prime is 12473779. The reversal of 12473775 is 57737421.

12473775 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12473771) and next prime (12473779).

It is not a de Polignac number, because 12473775 - 2² = 12473771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12473771) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27495 + ... + 27944.

It is an arithmetic number, because the mean of its divisors is an integer number (1241240).

Almost surely, 2^12473775 is an apocalyptic number.

12473775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12473775 is a deficient number, since it is larger than the sum of its proper divisors (9868545).

12473775 is a wasteful number, since it uses less digits than its factorization.

12473775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55455 (or 55447 counting only the distinct ones).

The product of its digits is 41160, while the sum is 36.

The square root of 12473775 is about 3531.8231835696. The cubic root of 12473775 is about 231.9170271562.

The spelling of 12473775 in words is "twelve million, four hundred seventy-three thousand, seven hundred seventy-five".