11719249 has 4 divisors (see below), whose sum is σ = 11840164. Its totient is φ = 11598336.

The previous prime is 11719243. The next prime is 11719289. The reversal of 11719249 is 94291711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94291711 = 1201 ⋅78511.

It can be written as a sum of positive squares in 2 ways, for example, as 7118224 + 4601025 = 2668^2 + 2145^2 .

It is a cyclic number.

It is not a de Polignac number, because 11719249 - 2¹³ = 11711057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11719243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60312 + ... + 60505.

It is an arithmetic number, because the mean of its divisors is an integer number (2960041).

Almost surely, 2^11719249 is an apocalyptic number.

It is an amenable number.

11719249 is a deficient number, since it is larger than the sum of its proper divisors (120915).

11719249 is an equidigital number, since it uses as much as digits as its factorization.

11719249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120914.

The product of its digits is 4536, while the sum is 34.

The square root of 11719249 is about 3423.3388672464. The cubic root of 11719249 is about 227.1432980340.

The spelling of 11719249 in words is "eleven million, seven hundred nineteen thousand, two hundred forty-nine".