1316876047 has 4 divisors (see below), whose sum is σ = 1339196040. Its totient is φ = 1294556056.

The previous prime is 1316876003. The next prime is 1316876069. The reversal of 1316876047 is 7406786131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7406786131 = 19 ⋅389830849.

It is a cyclic number.

It is not a de Polignac number, because 1316876047 - 2⁷ = 1316875919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1316875994 and 1316876012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316876087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11159908 + ... + 11160025.

It is an arithmetic number, because the mean of its divisors is an integer number (334799010).

Almost surely, 2^1316876047 is an apocalyptic number.

1316876047 is a deficient number, since it is larger than the sum of its proper divisors (22319993).

1316876047 is an equidigital number, since it uses as much as digits as its factorization.

1316876047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22319992.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 1316876047 is about 36288.7867942702. The cubic root of 1316876047 is about 1096.0952593491.

The spelling of 1316876047 in words is "one billion, three hundred sixteen million, eight hundred seventy-six thousand, forty-seven".