11813807 has 2 divisors, whose sum is σ = 11813808. Its totient is φ = 11813806.

The previous prime is 11813803. The next prime is 11813819. The reversal of 11813807 is 70831811.

It is a weak prime.

It is an emirp because it is prime and its reverse (70831811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11813807 - 2² = 11813803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11813807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11813803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5906903 + 5906904.

It is an arithmetic number, because the mean of its divisors is an integer number (5906904).

Almost surely, 2^11813807 is an apocalyptic number.

11813807 is a deficient number, since it is larger than the sum of its proper divisors (1).

11813807 is an equidigital number, since it uses as much as digits as its factorization.

11813807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 29.

The square root of 11813807 is about 3437.1219064793. The cubic root of 11813807 is about 227.7525722037.

The spelling of 11813807 in words is "eleven million, eight hundred thirteen thousand, eight hundred seven".