11671801 has 4 divisors (see below), whose sum is σ = 11863204. Its totient is φ = 11480400.

The previous prime is 11671799. The next prime is 11671817. The reversal of 11671801 is 10817611.

11671801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5664400 + 6007401 = 2380^2 + 2451^2 .

It is a cyclic number.

It is not a de Polignac number, because 11671801 - 2¹ = 11671799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11671861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95610 + ... + 95731.

It is an arithmetic number, because the mean of its divisors is an integer number (2965801).

Almost surely, 2^11671801 is an apocalyptic number.

It is an amenable number.

11671801 is a deficient number, since it is larger than the sum of its proper divisors (191403).

11671801 is an equidigital number, since it uses as much as digits as its factorization.

11671801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191402.

The product of its (nonzero) digits is 336, while the sum is 25.

The square root of 11671801 is about 3416.4017620883. The cubic root of 11671801 is about 226.8363365827.

It can be divided in two parts, 116 and 71801, that added together give a palindrome (71917).

The spelling of 11671801 in words is "eleven million, six hundred seventy-one thousand, eight hundred one".