11275813 has 2 divisors, whose sum is σ = 11275814. Its totient is φ = 11275812.

The previous prime is 11275801. The next prime is 11275829. The reversal of 11275813 is 31857211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8392609 + 2883204 = 2897^2 + 1698^2 .

It is a cyclic number.

It is not a de Polignac number, because 11275813 - 2¹³ = 11267621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11275853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5637906 + 5637907.

It is an arithmetic number, because the mean of its divisors is an integer number (5637907).

Almost surely, 2^11275813 is an apocalyptic number.

It is an amenable number.

11275813 is a deficient number, since it is larger than the sum of its proper divisors (1).

11275813 is an equidigital number, since it uses as much as digits as its factorization.

11275813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 28.

The square root of 11275813 is about 3357.9477363414. The cubic root of 11275813 is about 224.2414819782.

The spelling of 11275813 in words is "eleven million, two hundred seventy-five thousand, eight hundred thirteen".