12752776 has 8 divisors (see below), whose sum is σ = 23911470. Its totient is φ = 6376384.

The previous prime is 12752767. The next prime is 12752777. The reversal of 12752776 is 67725721.

It can be written as a sum of positive squares in only one way, i.e., 11383876 + 1368900 = 3374^2 + 1170^2 .

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12752777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 797041 + ... + 797056.

Almost surely, 2^12752776 is an apocalyptic number.

It is an amenable number.

12752776 is a deficient number, since it is larger than the sum of its proper divisors (11158694).

12752776 is a wasteful number, since it uses less digits than its factorization.

12752776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594103 (or 1594099 counting only the distinct ones).

The product of its digits is 41160, while the sum is 37.

The square root of 12752776 is about 3571.1029108666. The cubic root of 12752776 is about 233.6333899385.

The spelling of 12752776 in words is "twelve million, seven hundred fifty-two thousand, seven hundred seventy-six".