12711045 has 16 divisors (see below), whose sum is σ = 20401920. Its totient is φ = 6757824.

The previous prime is 12711037. The next prime is 12711067. The reversal of 12711045 is 54011721.

It is a happy number.

It is not a de Polignac number, because 12711045 - 2³ = 12711037 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4351 + ... + 6659.

It is an arithmetic number, because the mean of its divisors is an integer number (1275120).

Almost surely, 2^12711045 is an apocalyptic number.

12711045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12711045 is a deficient number, since it is larger than the sum of its proper divisors (7690875).

12711045 is a wasteful number, since it uses less digits than its factorization.

12711045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 12711045 is about 3565.2552503292. The cubic root of 12711045 is about 233.3782713901.

Adding to 12711045 its reverse (54011721), we get a palindrome (66722766).

The spelling of 12711045 in words is "twelve million, seven hundred eleven thousand, forty-five".