1960813 has 2 divisors, whose sum is σ = 1960814. Its totient is φ = 1960812.

The previous prime is 1960799. The next prime is 1960837. The reversal of 1960813 is 3180691.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1790244 + 170569 = 1338^2 + 413^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1960813 is a prime.

1960813 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1960213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980406 + 980407.

It is an arithmetic number, because the mean of its divisors is an integer number (980407).

2^1960813 is an apocalyptic number.

It is an amenable number.

1960813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1960813 is an equidigital number, since it uses as much as digits as its factorization.

1960813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1960813 is about 1400.2903270394. The cubic root of 1960813 is about 125.1637959400.

The spelling of 1960813 in words is "one million, nine hundred sixty thousand, eight hundred thirteen".