11996539 has 2 divisors, whose sum is σ = 11996540. Its totient is φ = 11996538.

The previous prime is 11996533. The next prime is 11996557. The reversal of 11996539 is 93569911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11996539 - 2³ = 11996531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11996495 and 11996504.

It is not a weakly prime, because it can be changed into another prime (11996531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5998269 + 5998270.

It is an arithmetic number, because the mean of its divisors is an integer number (5998270).

Almost surely, 2^11996539 is an apocalyptic number.

11996539 is a deficient number, since it is larger than the sum of its proper divisors (1).

11996539 is an equidigital number, since it uses as much as digits as its factorization.

11996539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65610, while the sum is 43.

The square root of 11996539 is about 3463.6020267923. The cubic root of 11996539 is about 228.9208360832.

The spelling of 11996539 in words is "eleven million, nine hundred ninety-six thousand, five hundred thirty-nine".