1296677377 has 8 divisors (see below), whose sum is σ = 1357554240. Its totient is φ = 1236878160.

The previous prime is 1296677297. The next prime is 1296677399. The reversal of 1296677377 is 7737766921.

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 1296677377 - 2¹¹ = 1296675329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1296677077) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 266949 + ... + 271762.

It is an arithmetic number, because the mean of its divisors is an integer number (169694280).

Almost surely, 2^1296677377 is an apocalyptic number.

It is an amenable number.

1296677377 is a deficient number, since it is larger than the sum of its proper divisors (60876863).

1296677377 is an equidigital number, since it uses as much as digits as its factorization.

1296677377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538823.

The product of its digits is 4667544, while the sum is 55.

The square root of 1296677377 is about 36009.4067848944. The cubic root of 1296677377 is about 1090.4622725684.

The spelling of 1296677377 in words is "one billion, two hundred ninety-six million, six hundred seventy-seven thousand, three hundred seventy-seven".