12280552 has 8 divisors (see below), whose sum is σ = 23026050. Its totient is φ = 6140272.

The previous prime is 12280549. The next prime is 12280561. The reversal of 12280552 is 25508221.

It can be written as a sum of positive squares in only one way, i.e., 6832996 + 5447556 = 2614^2 + 2334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 767527 + ... + 767542.

Almost surely, 2^12280552 is an apocalyptic number.

It is an amenable number.

12280552 is a deficient number, since it is larger than the sum of its proper divisors (10745498).

12280552 is a wasteful number, since it uses less digits than its factorization.

12280552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535075 (or 1535071 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 12280552 is about 3504.3618534621. The cubic root of 12280552 is about 230.7132991059.

Adding to 12280552 its reverse (25508221), we get a palindrome (37788773).

The spelling of 12280552 in words is "twelve million, two hundred eighty thousand, five hundred fifty-two".