11960143 has 4 divisors (see below), whose sum is σ = 12880168. Its totient is φ = 11040120.

The previous prime is 11960131. The next prime is 11960153. The reversal of 11960143 is 34106911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34106911 = 167 ⋅204233.

It is not a de Polignac number, because 11960143 - 2⁵ = 11960111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11960153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459993 + ... + 460018.

It is an arithmetic number, because the mean of its divisors is an integer number (3220042).

Almost surely, 2^11960143 is an apocalyptic number.

11960143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11960143 is a deficient number, since it is larger than the sum of its proper divisors (920025).

11960143 is an equidigital number, since it uses as much as digits as its factorization.

11960143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920024.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 11960143 is about 3458.3439678551. The cubic root of 11960143 is about 228.6890958326.

The spelling of 11960143 in words is "eleven million, nine hundred sixty thousand, one hundred forty-three".