11828649 has 24 divisors (see below), whose sum is σ = 18635808. Its totient is φ = 6652800.

The previous prime is 11828633. The next prime is 11828669. The reversal of 11828649 is 94682811.

It is not a de Polignac number, because 11828649 - 2⁴ = 11828633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11828629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9249 + ... + 10449.

It is an arithmetic number, because the mean of its divisors is an integer number (776492).

Almost surely, 2^11828649 is an apocalyptic number.

It is an amenable number.

11828649 is a deficient number, since it is larger than the sum of its proper divisors (6807159).

11828649 is a wasteful number, since it uses less digits than its factorization.

11828649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285 (or 1278 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 11828649 is about 3439.2803026215. The cubic root of 11828649 is about 227.8479094950.

The spelling of 11828649 in words is "eleven million, eight hundred twenty-eight thousand, six hundred forty-nine".