11972443 has 8 divisors (see below), whose sum is σ = 14277888. Its totient is φ = 9815784.

The previous prime is 11972407. The next prime is 11972459. The reversal of 11972443 is 34427911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11972443 - 2¹⁷ = 11841371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11972473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37021 + ... + 37342.

It is an arithmetic number, because the mean of its divisors is an integer number (1784736).

Almost surely, 2^11972443 is an apocalyptic number.

11972443 is a deficient number, since it is larger than the sum of its proper divisors (2305445).

11972443 is an equidigital number, since it uses as much as digits as its factorization.

11972443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74393.

The product of its digits is 6048, while the sum is 31.

The square root of 11972443 is about 3460.1218186648. The cubic root of 11972443 is about 228.7674647997.

The spelling of 11972443 in words is "eleven million, nine hundred seventy-two thousand, four hundred forty-three".