11890943 has 4 divisors (see below), whose sum is σ = 12181008. Its totient is φ = 11600880.

The previous prime is 11890937. The next prime is 11890951. The reversal of 11890943 is 34909811.

11890943 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11890943 - 2⁴ = 11890927 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 (11890933) 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, 144971 + ... + 145052.

It is an arithmetic number, because the mean of its divisors is an integer number (3045252).

Almost surely, 2^11890943 is an apocalyptic number.

11890943 is a deficient number, since it is larger than the sum of its proper divisors (290065).

11890943 is an equidigital number, since it uses as much as digits as its factorization.

11890943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290064.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 11890943 is about 3448.3246656891. The cubic root of 11890943 is about 228.2471862610.

The spelling of 11890943 in words is "eleven million, eight hundred ninety thousand, nine hundred forty-three".