12776049 has 40 divisors (see below), whose sum is σ = 22442112. Its totient is φ = 7140960.

The previous prime is 12776047. The next prime is 12776053. The reversal of 12776049 is 94067721.

It is a happy number.

12776049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12776049 - 2¹ = 12776047 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12776047) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11032 + ... + 12134.

Almost surely, 2^12776049 is an apocalyptic number.

It is an amenable number.

12776049 is a deficient number, since it is larger than the sum of its proper divisors (9666063).

12776049 is a wasteful number, since it uses less digits than its factorization.

12776049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 12776049 is about 3574.3599427030. The cubic root of 12776049 is about 233.7754255661.

It can be divided in two parts, 127 and 76049, that added together give a square (76176 = 276²).

The spelling of 12776049 in words is "twelve million, seven hundred seventy-six thousand, forty-nine".