12947522 has 16 divisors (see below), whose sum is σ = 22912512. Its totient is φ = 5369760.

The previous prime is 12947507. The next prime is 12947527. The reversal of 12947522 is 22574921.

It is not an unprimeable number, because it can be changed into a prime (12947527) 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, 14483 + ... + 15350.

It is an arithmetic number, because the mean of its divisors is an integer number (1432032).

Almost surely, 2^12947522 is an apocalyptic number.

12947522 is a deficient number, since it is larger than the sum of its proper divisors (9964990).

12947522 is a wasteful number, since it uses less digits than its factorization.

12947522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29873.

The product of its digits is 10080, while the sum is 32.

The square root of 12947522 is about 3598.2665270933. The cubic root of 12947522 is about 234.8166488953.

The spelling of 12947522 in words is "twelve million, nine hundred forty-seven thousand, five hundred twenty-two".