11722449 has 8 divisors (see below), whose sum is σ = 16452640. Its totient is φ = 7403616.

The previous prime is 11722429. The next prime is 11722489. The reversal of 11722449 is 94422711.

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

It is a de Polignac number, because none of the positive numbers 2^k-11722449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11722429) 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, 102772 + ... + 102885.

It is an arithmetic number, because the mean of its divisors is an integer number (2056580).

Almost surely, 2^11722449 is an apocalyptic number.

11722449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11722449 is a deficient number, since it is larger than the sum of its proper divisors (4730191).

11722449 is a wasteful number, since it uses less digits than its factorization.

11722449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205679.

The product of its digits is 4032, while the sum is 30.

The square root of 11722449 is about 3423.8062153107. The cubic root of 11722449 is about 227.1639703600.

The spelling of 11722449 in words is "eleven million, seven hundred twenty-two thousand, four hundred forty-nine".