11812007 has 2 divisors, whose sum is σ = 11812008. Its totient is φ = 11812006.

The previous prime is 11811983. The next prime is 11812037. The reversal of 11812007 is 70021811.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11812007 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11812007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11812037) 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, 5906003 + 5906004.

It is an arithmetic number, because the mean of its divisors is an integer number (5906004).

Almost surely, 2^11812007 is an apocalyptic number.

11812007 is a deficient number, since it is larger than the sum of its proper divisors (1).

11812007 is an equidigital number, since it uses as much as digits as its factorization.

11812007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 11812007 is about 3436.8600495219. The cubic root of 11812007 is about 227.7410045114.

Adding to 11812007 its reverse (70021811), we get a palindrome (81833818).

The spelling of 11812007 in words is "eleven million, eight hundred twelve thousand, seven".