11721452 has 24 divisors (see below), whose sum is σ = 21801360. Its totient is φ = 5503680.

The previous prime is 11721443. The next prime is 11721473. The reversal of 11721452 is 25412711.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2927 + ... + 5657.

It is an arithmetic number, because the mean of its divisors is an integer number (908390).

Almost surely, 2^11721452 is an apocalyptic number.

It is an amenable number.

11721452 is a deficient number, since it is larger than the sum of its proper divisors (10079908).

11721452 is a wasteful number, since it uses less digits than its factorization.

11721452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801 (or 2799 counting only the distinct ones).

The product of its digits is 560, while the sum is 23.

The square root of 11721452 is about 3423.6606140212. The cubic root of 11721452 is about 227.1575300419.

The spelling of 11721452 in words is "eleven million, seven hundred twenty-one thousand, four hundred fifty-two".