11798539 has 2 divisors, whose sum is σ = 11798540. Its totient is φ = 11798538.

The previous prime is 11798519. The next prime is 11798543. The reversal of 11798539 is 93589711.

It is a strong prime.

It is an emirp because it is prime and its reverse (93589711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11798539 - 2¹³ = 11790347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11798495 and 11798504.

It is not a weakly prime, because it can be changed into another prime (11798519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5899269 + 5899270.

It is an arithmetic number, because the mean of its divisors is an integer number (5899270).

Almost surely, 2^11798539 is an apocalyptic number.

11798539 is a deficient number, since it is larger than the sum of its proper divisors (1).

11798539 is an equidigital number, since it uses as much as digits as its factorization.

11798539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 43.

The square root of 11798539 is about 3434.9001441090. The cubic root of 11798539 is about 227.6544151528.

The spelling of 11798539 in words is "eleven million, seven hundred ninety-eight thousand, five hundred thirty-nine".