12712449 has 8 divisors (see below), whose sum is σ = 17496832. Its totient is φ = 8201520.

The previous prime is 12712433. The next prime is 12712459. The reversal of 12712449 is 94421721.

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

It is not a de Polignac number, because 12712449 - 2⁴ = 12712433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12712409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68254 + ... + 68439.

It is an arithmetic number, because the mean of its divisors is an integer number (2187104).

Almost surely, 2^12712449 is an apocalyptic number.

It is an amenable number.

12712449 is a deficient number, since it is larger than the sum of its proper divisors (4784383).

12712449 is a wasteful number, since it uses less digits than its factorization.

12712449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136727.

The product of its digits is 4032, while the sum is 30.

The square root of 12712449 is about 3565.4521452405. The cubic root of 12712449 is about 233.3868636821.

The spelling of 12712449 in words is "twelve million, seven hundred twelve thousand, four hundred forty-nine".