11981483 has 4 divisors (see below), whose sum is σ = 11991840. Its totient is φ = 11971128.

The previous prime is 11981443. The next prime is 11981587. The reversal of 11981483 is 38418911.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11981483 - 2¹⁰ = 11980459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11981423) 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, 3188 + ... + 5841.

It is an arithmetic number, because the mean of its divisors is an integer number (2997960).

Almost surely, 2^11981483 is an apocalyptic number.

11981483 is a deficient number, since it is larger than the sum of its proper divisors (10357).

11981483 is an equidigital number, since it uses as much as digits as its factorization.

11981483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10356.

The product of its digits is 6912, while the sum is 35.

The square root of 11981483 is about 3461.4278845586. The cubic root of 11981483 is about 228.8250285899.

The spelling of 11981483 in words is "eleven million, nine hundred eighty-one thousand, four hundred eighty-three".