1306370 has 24 divisors (see below), whose sum is σ = 2549556. Its totient is φ = 481728.

The previous prime is 1306367. The next prime is 1306373. The reversal of 1306370 is 736031.

It is an interprime number because it is at equal distance from previous prime (1306367) and next prime (1306373).

It can be written as a sum of positive squares in 6 ways, for example, as 4489 + 1301881 = 67^2 + 1141^2 .

It is not an unprimeable number, because it can be changed into a prime (1306373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1304 + ... + 2076.

2^1306370 is an apocalyptic number.

1306370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1306370 is a deficient number, since it is larger than the sum of its proper divisors (1243186).

1306370 is a wasteful number, since it uses less digits than its factorization.

1306370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 1306370 is about 1142.9654412973. The cubic root of 1306370 is about 109.3172587743.

It can be divided in two parts, 130 and 6370, that multiplied together give a square (828100 = 910²).

The spelling of 1306370 in words is "one million, three hundred six thousand, three hundred seventy".