1310947 has 8 divisors (see below), whose sum is σ = 1469232. Its totient is φ = 1159200.

The previous prime is 1310927. The next prime is 1310963. The reversal of 1310947 is 7490131.

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 1310947 - 2¹¹ = 1308899 is a prime.

It is a Duffinian number.

1310947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1310927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1204 + ... + 2017.

It is an arithmetic number, because the mean of its divisors is an integer number (183654).

2^1310947 is an apocalyptic number.

1310947 is a deficient number, since it is larger than the sum of its proper divisors (158285).

1310947 is a wasteful number, since it uses less digits than its factorization.

1310947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1310947 is about 1144.9659383580. The cubic root of 1310947 is about 109.4447780048. Note that the first 3 decimals are identical.

It can be divided in two parts, 13 and 10947, that multiplied together give a triangular number (142311 = T₅₃₃).

The spelling of 1310947 in words is "one million, three hundred ten thousand, nine hundred forty-seven".