11869443 has 16 divisors (see below), whose sum is σ = 17884800. Its totient is φ = 7777800.

The previous prime is 11869423. The next prime is 11869463. The reversal of 11869443 is 34496811.

It is an interprime number because it is at equal distance from previous prime (11869423) and next prime (11869463).

It is not a de Polignac number, because 11869443 - 2⁶ = 11869379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11869398 and 11869407.

It is not an unprimeable number, because it can be changed into a prime (11869423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2133 + ... + 5318.

It is an arithmetic number, because the mean of its divisors is an integer number (1117800).

Almost surely, 2^11869443 is an apocalyptic number.

11869443 is a deficient number, since it is larger than the sum of its proper divisors (6015357).

11869443 is an equidigital number, since it uses as much as digits as its factorization.

11869443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7519 (or 7513 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 11869443 is about 3445.2057993682. The cubic root of 11869443 is about 228.1095387782.

The spelling of 11869443 in words is "eleven million, eight hundred sixty-nine thousand, four hundred forty-three".