11443005 has 32 divisors (see below), whose sum is σ = 23251200. Its totient is φ = 5230656.

The previous prime is 11442979. The next prime is 11443009. The reversal of 11443005 is 50034411.

Added to its reverse (50034411) it gives a triangular number (61477416 = T₁₁₀₈₈).

It is a happy number.

It is not a de Polignac number, because 11443005 - 2⁵ = 11442973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11443009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5110 + ... + 6999.

It is an arithmetic number, because the mean of its divisors is an integer number (726600).

Almost surely, 2^11443005 is an apocalyptic number.

11443005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11443005 is an abundant number, since it is smaller than the sum of its proper divisors (11808195).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11443005 is a wasteful number, since it uses less digits than its factorization.

11443005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12130 (or 12124 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 11443005 is about 3382.7510993273. The cubic root of 11443005 is about 225.3443615760.

Adding to 11443005 its reverse (50034411), we get a palindrome (61477416).

The spelling of 11443005 in words is "eleven million, four hundred forty-three thousand, five".