11830661 has 2 divisors, whose sum is σ = 11830662. Its totient is φ = 11830660.

The previous prime is 11830649. The next prime is 11830697. The reversal of 11830661 is 16603811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9728161 + 2102500 = 3119^2 + 1450^2 .

It is a cyclic number.

It is not a de Polignac number, because 11830661 - 2¹⁴ = 11814277 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 11830661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11830601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5915330 + 5915331.

It is an arithmetic number, because the mean of its divisors is an integer number (5915331).

Almost surely, 2^11830661 is an apocalyptic number.

It is an amenable number.

11830661 is a deficient number, since it is larger than the sum of its proper divisors (1).

11830661 is an equidigital number, since it uses as much as digits as its factorization.

11830661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11830661 is about 3439.5727932405. The cubic root of 11830661 is about 227.8608273975.

The spelling of 11830661 in words is "eleven million, eight hundred thirty thousand, six hundred sixty-one".