11948851 has 4 divisors (see below), whose sum is σ = 11956104. Its totient is φ = 11941600.

The previous prime is 11948843. The next prime is 11948941. The reversal of 11948851 is 15884911.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 15884911 = 7 ⋅2269273.

It is a cyclic number.

It is not a de Polignac number, because 11948851 - 2³ = 11948843 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 11948851.

It is not an unprimeable number, because it can be changed into a prime (11948801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171 + ... + 4891.

It is an arithmetic number, because the mean of its divisors is an integer number (2989026).

Almost surely, 2^11948851 is an apocalyptic number.

11948851 is a deficient number, since it is larger than the sum of its proper divisors (7253).

11948851 is an equidigital number, since it uses as much as digits as its factorization.

11948851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7252.

The product of its digits is 11520, while the sum is 37.

The square root of 11948851 is about 3456.7110090373. The cubic root of 11948851 is about 228.6171019778.

The spelling of 11948851 in words is "eleven million, nine hundred forty-eight thousand, eight hundred fifty-one".