11849641 has 2 divisors, whose sum is σ = 11849642. Its totient is φ = 11849640.

The previous prime is 11849633. The next prime is 11849653. The reversal of 11849641 is 14694811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6651241 + 5198400 = 2579^2 + 2280^2 .

It is an emirp because it is prime and its reverse (14694811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11849641 - 2³ = 11849633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11849597 and 11849606.

It is not a weakly prime, because it can be changed into another prime (11849671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5924820 + 5924821.

It is an arithmetic number, because the mean of its divisors is an integer number (5924821).

Almost surely, 2^11849641 is an apocalyptic number.

It is an amenable number.

11849641 is a deficient number, since it is larger than the sum of its proper divisors (1).

11849641 is an equidigital number, since it uses as much as digits as its factorization.

11849641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 34.

The square root of 11849641 is about 3442.3307511045. The cubic root of 11849641 is about 227.9826151205.

The spelling of 11849641 in words is "eleven million, eight hundred forty-nine thousand, six hundred forty-one".