1306870 has 8 divisors (see below), whose sum is σ = 2352384. Its totient is φ = 522744.

The previous prime is 1306853. The next prime is 1306873. The reversal of 1306870 is 786031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306873) 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 3 ways as a sum of consecutive naturals, for example, 65334 + ... + 65353.

It is an arithmetic number, because the mean of its divisors is an integer number (294048).

2^1306870 is an apocalyptic number.

1306870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1306870 is a deficient number, since it is larger than the sum of its proper divisors (1045514).

1306870 is a wasteful number, since it uses less digits than its factorization.

1306870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130694.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1306870 is about 1143.1841496452. The cubic root of 1306870 is about 109.3312036898.

The spelling of 1306870 in words is "one million, three hundred six thousand, eight hundred seventy".