1310247 has 12 divisors (see below), whose sum is σ = 1904760. Its totient is φ = 867888.

The previous prime is 1310233. The next prime is 1310251. The reversal of 1310247 is 7420131.

It is not a de Polignac number, because 1310247 - 2⁷ = 1310119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1404 + ... + 2142.

It is an arithmetic number, because the mean of its divisors is an integer number (158730).

2^1310247 is an apocalyptic number.

1310247 is a deficient number, since it is larger than the sum of its proper divisors (594513).

1310247 is a wasteful number, since it uses less digits than its factorization.

1310247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1310247 is about 1144.6602115912. The cubic root of 1310247 is about 109.4252946378.

Adding to 1310247 its reverse (7420131), we get a palindrome (8730378).

The spelling of 1310247 in words is "one million, three hundred ten thousand, two hundred forty-seven".