12712422 has 16 divisors (see below), whose sum is σ = 26530560. Its totient is φ = 4053192.

The previous prime is 12712409. The next prime is 12712429. The reversal of 12712422 is 22421721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12712429) 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, 45922 + ... + 46197.

It is an arithmetic number, because the mean of its divisors is an integer number (1658160).

Almost surely, 2^12712422 is an apocalyptic number.

12712422 is an abundant number, since it is smaller than the sum of its proper divisors (13818138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12712422 is a wasteful number, since it uses less digits than its factorization.

12712422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92147.

The product of its digits is 448, while the sum is 21.

The square root of 12712422 is about 3565.4483589024. The cubic root of 12712422 is about 233.3866984517.

The spelling of 12712422 in words is "twelve million, seven hundred twelve thousand, four hundred twenty-two".