12743055 has 64 divisors (see below), whose sum is σ = 25038720. Its totient is φ = 6110208.

The previous prime is 12743039. The next prime is 12743089. The reversal of 12743055 is 55034721.

It is a happy number.

12743055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12743055 - 2⁴ = 12743039 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92947 + ... + 93083.

It is an arithmetic number, because the mean of its divisors is an integer number (391230).

Almost surely, 2^12743055 is an apocalyptic number.

12743055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12743055 is a deficient number, since it is larger than the sum of its proper divisors (12295665).

12743055 is a wasteful number, since it uses less digits than its factorization.

12743055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 12743055 is about 3569.7415872861. The cubic root of 12743055 is about 233.5740112980.

Adding to 12743055 its reverse (55034721), we get a palindrome (67777776).

The spelling of 12743055 in words is "twelve million, seven hundred forty-three thousand, fifty-five".