11850001 has 2 divisors, whose sum is σ = 11850002. Its totient is φ = 11850000.

The previous prime is 11849987. The next prime is 11850011. The reversal of 11850001 is 10005811.

11850001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11048976 + 801025 = 3324^2 + 895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11850001 is a prime.

It is not a weakly prime, because it can be changed into another prime (11850011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5925000 + 5925001.

It is an arithmetic number, because the mean of its divisors is an integer number (5925001).

Almost surely, 2^11850001 is an apocalyptic number.

It is an amenable number.

11850001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11850001 is an equidigital number, since it uses as much as digits as its factorization.

11850001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 11850001 is about 3442.3830408599. The cubic root of 11850001 is about 227.9849238518.

Adding to 11850001 its reverse (10005811), we get a palindrome (21855812).

The spelling of 11850001 in words is "eleven million, eight hundred fifty thousand, one".