11534389 has 4 divisors (see below), whose sum is σ = 11541420. Its totient is φ = 11527360.

The previous prime is 11534371. The next prime is 11534399. The reversal of 11534389 is 98343511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7700625 + 3833764 = 2775^2 + 1958^2 .

It is a cyclic number.

It is not a de Polignac number, because 11534389 - 2²³ = 3145781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11534309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399 + ... + 4819.

It is an arithmetic number, because the mean of its divisors is an integer number (2885355).

Almost surely, 2^11534389 is an apocalyptic number.

It is an amenable number.

11534389 is a deficient number, since it is larger than the sum of its proper divisors (7031).

11534389 is an equidigital number, since it uses as much as digits as its factorization.

11534389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7030.

The product of its digits is 12960, while the sum is 34.

The square root of 11534389 is about 3396.2315880988. The cubic root of 11534389 is about 225.9426395268.

The spelling of 11534389 in words is "eleven million, five hundred thirty-four thousand, three hundred eighty-nine".