12742955 has 4 divisors (see below), whose sum is σ = 15291552. Its totient is φ = 10194360.

The previous prime is 12742913. The next prime is 12742957. The reversal of 12742955 is 55924721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55924721 = 997 ⋅56093.

It is not a de Polignac number, because 12742955 - 2⁸ = 12742699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12742957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274291 + ... + 1274300.

It is an arithmetic number, because the mean of its divisors is an integer number (3822888).

Almost surely, 2^12742955 is an apocalyptic number.

12742955 is a deficient number, since it is larger than the sum of its proper divisors (2548597).

12742955 is an equidigital number, since it uses as much as digits as its factorization.

12742955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548596.

The product of its digits is 25200, while the sum is 35.

The square root of 12742955 is about 3569.7275806425. The cubic root of 12742955 is about 233.5734003126.

The spelling of 12742955 in words is "twelve million, seven hundred forty-two thousand, nine hundred fifty-five".