12353813 has 2 divisors, whose sum is σ = 12353814. Its totient is φ = 12353812.

The previous prime is 12353791. The next prime is 12353837. The reversal of 12353813 is 31835321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9972964 + 2380849 = 3158^2 + 1543^2 .

It is a cyclic number.

It is not a de Polignac number, because 12353813 - 2⁶ = 12353749 is a prime.

It is equal to p₈₀₉₇₂₀ and since 12353813 and 809720 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12353843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6176906 + 6176907.

It is an arithmetic number, because the mean of its divisors is an integer number (6176907).

Almost surely, 2^12353813 is an apocalyptic number.

It is an amenable number.

12353813 is a deficient number, since it is larger than the sum of its proper divisors (1).

12353813 is an equidigital number, since it uses as much as digits as its factorization.

12353813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 12353813 is about 3514.7991407760. The cubic root of 12353813 is about 231.1711717687.

The spelling of 12353813 in words is "twelve million, three hundred fifty-three thousand, eight hundred thirteen".