11806901 has 2 divisors, whose sum is σ = 11806902. Its totient is φ = 11806900.

The previous prime is 11806867. The next prime is 11806931. The reversal of 11806901 is 10960811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11566801 + 240100 = 3401^2 + 490^2 .

It is a cyclic number.

It is not a de Polignac number, because 11806901 - 2¹⁴ = 11790517 is a prime.

It is a super-2 number, since 2×11806901² = 278805822447602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11806931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5903450 + 5903451.

It is an arithmetic number, because the mean of its divisors is an integer number (5903451).

Almost surely, 2^11806901 is an apocalyptic number.

It is an amenable number.

11806901 is a deficient number, since it is larger than the sum of its proper divisors (1).

11806901 is an equidigital number, since it uses as much as digits as its factorization.

11806901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 11806901 is about 3436.1171400288. The cubic root of 11806901 is about 227.7081844280.

The spelling of 11806901 in words is "eleven million, eight hundred six thousand, nine hundred one".