11916449 has 2 divisors, whose sum is σ = 11916450. Its totient is φ = 11916448.

The previous prime is 11916433. The next prime is 11916481. The reversal of 11916449 is 94461911.

11916449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8958049 + 2958400 = 2993^2 + 1720^2 .

It is a cyclic number.

It is not a de Polignac number, because 11916449 - 2⁴ = 11916433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11916409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5958224 + 5958225.

It is an arithmetic number, because the mean of its divisors is an integer number (5958225).

Almost surely, 2^11916449 is an apocalyptic number.

It is an amenable number.

11916449 is a deficient number, since it is larger than the sum of its proper divisors (1).

11916449 is an equidigital number, since it uses as much as digits as its factorization.

11916449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 35.

The square root of 11916449 is about 3452.0210022536. The cubic root of 11916449 is about 228.4102659877.

The spelling of 11916449 in words is "eleven million, nine hundred sixteen thousand, four hundred forty-nine".