12712477 has 8 divisors (see below), whose sum is σ = 13075040. Its totient is φ = 12353040.

The previous prime is 12712459. The next prime is 12712487. The reversal of 12712477 is 77421721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12712477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12712487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9202 + ... + 10492.

It is an arithmetic number, because the mean of its divisors is an integer number (1634380).

Almost surely, 2^12712477 is an apocalyptic number.

It is an amenable number.

12712477 is a deficient number, since it is larger than the sum of its proper divisors (362563).

12712477 is a wasteful number, since it uses less digits than its factorization.

12712477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563.

The product of its digits is 5488, while the sum is 31.

The square root of 12712477 is about 3565.4560718090. The cubic root of 12712477 is about 233.3870350319.

The spelling of 12712477 in words is "twelve million, seven hundred twelve thousand, four hundred seventy-seven".