11699449 has 2 divisors, whose sum is σ = 11699450. Its totient is φ = 11699448.

The previous prime is 11699447. The next prime is 11699507. The reversal of 11699449 is 94499611.

It is a happy number.

11699449 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., 9000000 + 2699449 = 3000^2 + 1643^2 .

It is a cyclic number.

It is not a de Polignac number, because 11699449 - 2¹ = 11699447 is a prime.

Together with 11699447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11699447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5849724 + 5849725.

It is an arithmetic number, because the mean of its divisors is an integer number (5849725).

Almost surely, 2^11699449 is an apocalyptic number.

It is an amenable number.

11699449 is a deficient number, since it is larger than the sum of its proper divisors (1).

11699449 is an equidigital number, since it uses as much as digits as its factorization.

11699449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 43.

The square root of 11699449 is about 3420.4457311877. The cubic root of 11699449 is about 227.0153042655.

The spelling of 11699449 in words is "eleven million, six hundred ninety-nine thousand, four hundred forty-nine".