1234813 has 2 divisors, whose sum is σ = 1234814. Its totient is φ = 1234812.

The previous prime is 1234799. The next prime is 1234819. The reversal of 1234813 is 3184321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 822649 + 412164 = 907^2 + 642^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1234813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617406 + 617407.

It is an arithmetic number, because the mean of its divisors is an integer number (617407).

2^1234813 is an apocalyptic number.

It is an amenable number.

1234813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234813 is an equidigital number, since it uses as much as digits as its factorization.

1234813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

The square root of 1234813 is about 1111.2214000819. The cubic root of 1234813 is about 107.2836970275.

The spelling of 1234813 in words is "one million, two hundred thirty-four thousand, eight hundred thirteen".