11829897 has 6 divisors (see below), whose sum is σ = 17087642. Its totient is φ = 7886592.

The previous prime is 11829893. The next prime is 11829929. The reversal of 11829897 is 79892811.

It can be written as a sum of positive squares in only one way, i.e., 6170256 + 5659641 = 2484^2 + 2379^2 .

It is not a de Polignac number, because 11829897 - 2² = 11829893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11829893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 657208 + ... + 657225.

Almost surely, 2^11829897 is an apocalyptic number.

It is an amenable number.

11829897 is a deficient number, since it is larger than the sum of its proper divisors (5257745).

11829897 is a wasteful number, since it uses less digits than its factorization.

11829897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314439 (or 1314436 counting only the distinct ones).

The product of its digits is 72576, while the sum is 45.

The square root of 11829897 is about 3439.4617311434. The cubic root of 11829897 is about 227.8559223624.

The spelling of 11829897 in words is "eleven million, eight hundred twenty-nine thousand, eight hundred ninety-seven".