11845641 has 4 divisors (see below), whose sum is σ = 15794192. Its totient is φ = 7897092.

The previous prime is 11845619. The next prime is 11845657. The reversal of 11845641 is 14654811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14654811 = 3 ⋅4884937.

It is not a de Polignac number, because 11845641 - 2⁵ = 11845609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11845599 and 11845608.

It is not an unprimeable number, because it can be changed into a prime (11845241) 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, 1974271 + ... + 1974276.

It is an arithmetic number, because the mean of its divisors is an integer number (3948548).

Almost surely, 2^11845641 is an apocalyptic number.

It is an amenable number.

11845641 is a deficient number, since it is larger than the sum of its proper divisors (3948551).

11845641 is an equidigital number, since it uses as much as digits as its factorization.

11845641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948550.

The product of its digits is 3840, while the sum is 30.

The square root of 11845641 is about 3441.7497003704. The cubic root of 11845641 is about 227.9569594040.

The spelling of 11845641 in words is "eleven million, eight hundred forty-five thousand, six hundred forty-one".