12549522 has 8 divisors (see below), whose sum is σ = 25099056. Its totient is φ = 4183172.

The previous prime is 12549521. The next prime is 12549527. The reversal of 12549522 is 22594521.

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

12549522 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12549522.

It is not an unprimeable number, because it can be changed into a prime (12549521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045788 + ... + 1045799.

It is an arithmetic number, because the mean of its divisors is an integer number (3137382).

Almost surely, 2^12549522 is an apocalyptic number.

12549522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12549522 is a wasteful number, since it uses less digits than its factorization.

12549522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091592.

The product of its digits is 7200, while the sum is 30.

The square root of 12549522 is about 3542.5304515276. The cubic root of 12549522 is about 232.3855188507.

The spelling of 12549522 in words is "twelve million, five hundred forty-nine thousand, five hundred twenty-two".