11948305 has 4 divisors (see below), whose sum is σ = 14337972. Its totient is φ = 9558640.

The previous prime is 11948303. The next prime is 11948317. The reversal of 11948305 is 50384911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50384911 = 157 ⋅320923.

It can be written as a sum of positive squares in 2 ways, for example, as 7230721 + 4717584 = 2689^2 + 2172^2 .

It is not a de Polignac number, because 11948305 - 2¹ = 11948303 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (11948303) 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, 1194826 + ... + 1194835.

It is an arithmetic number, because the mean of its divisors is an integer number (3584493).

Almost surely, 2^11948305 is an apocalyptic number.

It is an amenable number.

11948305 is a deficient number, since it is larger than the sum of its proper divisors (2389667).

11948305 is an equidigital number, since it uses as much as digits as its factorization.

11948305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389666.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 11948305 is about 3456.6320313276. The cubic root of 11948305 is about 228.6136197228.

The spelling of 11948305 in words is "eleven million, nine hundred forty-eight thousand, three hundred five".