11974 has 4 divisors (see below), whose sum is σ = 17964. Its totient is φ = 5986.

The previous prime is 11971. The next prime is 11981. The reversal of 11974 is 47911.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2992 + ... + 2995.

It is an arithmetic number, because the mean of its divisors is an integer number (4491).

2¹¹⁹⁷⁴ is an apocalyptic number.

11974 is a deficient number, since it is larger than the sum of its proper divisors (5990).

11974 is an equidigital number, since it uses as much as digits as its factorization.

11974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5989.

The product of its digits is 252, while the sum is 22.

The square root of 11974 is about 109.4257739292. The cubic root of 11974 is about 22.8777381336.

Subtracting 11974 from its reverse (47911), we obtain a cube (35937 = 33³).

The spelling of 11974 in words is "eleven thousand, nine hundred seventy-four".