11518429 has 8 divisors (see below), whose sum is σ = 12515832. Its totient is φ = 10536960.

The previous prime is 11518421. The next prime is 11518477. The reversal of 11518429 is 92481511.

It is a happy number.

11518429 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 476100 + 11042329 = 690^2 + 3323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11518429 - 2³ = 11518421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11518429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11518421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2452 + ... + 5389.

It is an arithmetic number, because the mean of its divisors is an integer number (1564479).

Almost surely, 2^11518429 is an apocalyptic number.

It is an amenable number.

11518429 is a deficient number, since it is larger than the sum of its proper divisors (997403).

11518429 is a wasteful number, since it uses less digits than its factorization.

11518429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7967.

The product of its digits is 2880, while the sum is 31.

The square root of 11518429 is about 3393.8811116478. The cubic root of 11518429 is about 225.8383800231.

The spelling of 11518429 in words is "eleven million, five hundred eighteen thousand, four hundred twenty-nine".