11983519 has 2 divisors, whose sum is σ = 11983520. Its totient is φ = 11983518.

The previous prime is 11983507. The next prime is 11983561. The reversal of 11983519 is 91538911.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11983519 - 2⁹ = 11983007 is a prime.

It is a super-2 number, since 2×11983519² = 287209455246722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11983219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5991759 + 5991760.

It is an arithmetic number, because the mean of its divisors is an integer number (5991760).

Almost surely, 2^11983519 is an apocalyptic number.

11983519 is a deficient number, since it is larger than the sum of its proper divisors (1).

11983519 is an equidigital number, since it uses as much as digits as its factorization.

11983519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 37.

The square root of 11983519 is about 3461.7219703494. The cubic root of 11983519 is about 228.8379891829.

It can be divided in two parts, 119 and 83519, that added together give a palindrome (83638).

The spelling of 11983519 in words is "eleven million, nine hundred eighty-three thousand, five hundred nineteen".