1202813 has 2 divisors, whose sum is σ = 1202814. Its totient is φ = 1202812.

The previous prime is 1202807. The next prime is 1202819. The reversal of 1202813 is 3182021.

It is a balanced prime because it is at equal distance from previous prime (1202807) and next prime (1202819).

It can be written as a sum of positive squares in only one way, i.e., 605284 + 597529 = 778^2 + 773^2 .

It is an emirp because it is prime and its reverse (3182021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202813 - 2¹⁸ = 940669 is a prime.

It is a super-2 number, since 2×1202813² = 2893518225938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1202791 and 1202800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601406 + 601407.

It is an arithmetic number, because the mean of its divisors is an integer number (601407).

2^1202813 is an apocalyptic number.

It is an amenable number.

1202813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202813 is an equidigital number, since it uses as much as digits as its factorization.

1202813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1202813 is about 1096.7283164029. The cubic root of 1202813 is about 106.3488270799.

Adding to 1202813 its reverse (3182021), we get a palindrome (4384834).

The spelling of 1202813 in words is "one million, two hundred two thousand, eight hundred thirteen".