11828729 has 4 divisors (see below), whose sum is σ = 12904080. Its totient is φ = 10753380.

The previous prime is 11828683. The next prime is 11828767. The reversal of 11828729 is 92782811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11828729 - 2¹² = 11824633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11828692 and 11828701.

It is not an unprimeable number, because it can be changed into a prime (11828779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537659 + ... + 537680.

It is an arithmetic number, because the mean of its divisors is an integer number (3226020).

Almost surely, 2^11828729 is an apocalyptic number.

It is an amenable number.

11828729 is a deficient number, since it is larger than the sum of its proper divisors (1075351).

11828729 is a wasteful number, since it uses less digits than its factorization.

11828729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075350.

The product of its digits is 16128, while the sum is 38.

The square root of 11828729 is about 3439.2919329420. The cubic root of 11828729 is about 227.8484231572.

The spelling of 11828729 in words is "eleven million, eight hundred twenty-eight thousand, seven hundred twenty-nine".