12788377 has 8 divisors (see below), whose sum is σ = 14758016. Its totient is φ = 10854432.

The previous prime is 12788353. The next prime is 12788389. The reversal of 12788377 is 77388721.

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

It is a cyclic number.

It is not a de Polignac number, because 12788377 - 2⁷ = 12788249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12788327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8148 + ... + 9589.

It is an arithmetic number, because the mean of its divisors is an integer number (1844752).

Almost surely, 2^12788377 is an apocalyptic number.

It is an amenable number.

12788377 is a deficient number, since it is larger than the sum of its proper divisors (1969639).

12788377 is a wasteful number, since it uses less digits than its factorization.

12788377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17847.

The product of its digits is 131712, while the sum is 43.

The square root of 12788377 is about 3576.0840314512. The cubic root of 12788377 is about 233.8505937439.

The spelling of 12788377 in words is "twelve million, seven hundred eighty-eight thousand, three hundred seventy-seven".