1310730 has 16 divisors (see below), whose sum is σ = 3145824. Its totient is φ = 349520.

The previous prime is 1310723. The next prime is 1310741. The reversal of 1310730 is 370131.

Added to its reverse (370131) it gives a triangular number (1680861 = T₁₈₃₃).

1310730 = 510² + 511² + ... + 514².

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21816 + ... + 21875.

It is an arithmetic number, because the mean of its divisors is an integer number (196614).

2^1310730 is an apocalyptic number.

1310730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1310730 is an abundant number, since it is smaller than the sum of its proper divisors (1835094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310730 is a wasteful number, since it uses less digits than its factorization.

1310730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43701.

The product of its (nonzero) digits is 63, while the sum is 15.

The square root of 1310730 is about 1144.8711717918. The cubic root of 1310730 is about 109.4387389030.

Adding to 1310730 its reverse (370131), we get a palindrome (1680861).

The spelling of 1310730 in words is "one million, three hundred ten thousand, seven hundred thirty".