12776552 has 8 divisors (see below), whose sum is σ = 23956050. Its totient is φ = 6388272.

The previous prime is 12776539. The next prime is 12776579. The reversal of 12776552 is 25567721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12208036 + 568516 = 3494^2 + 754^2 .

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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 798527 + ... + 798542.

Almost surely, 2^12776552 is an apocalyptic number.

It is an amenable number.

12776552 is a deficient number, since it is larger than the sum of its proper divisors (11179498).

12776552 is a wasteful number, since it uses less digits than its factorization.

12776552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597075 (or 1597071 counting only the distinct ones).

The product of its digits is 29400, while the sum is 35.

The square root of 12776552 is about 3574.4303042583. The cubic root of 12776552 is about 233.7784934810.

The spelling of 12776552 in words is "twelve million, seven hundred seventy-six thousand, five hundred fifty-two".