11924519 has 2 divisors, whose sum is σ = 11924520. Its totient is φ = 11924518.

The previous prime is 11924509. The next prime is 11924567. The reversal of 11924519 is 91542911.

It is a weak prime.

It is an emirp because it is prime and its reverse (91542911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11924519 - 2⁴ = 11924503 is a prime.

It is a super-2 number, since 2×11924519² = 284388306762722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11924509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5962259 + 5962260.

It is an arithmetic number, because the mean of its divisors is an integer number (5962260).

Almost surely, 2^11924519 is an apocalyptic number.

11924519 is a deficient number, since it is larger than the sum of its proper divisors (1).

11924519 is an equidigital number, since it uses as much as digits as its factorization.

11924519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 32.

The square root of 11924519 is about 3453.1896849145. The cubic root of 11924519 is about 228.4618153182.

The spelling of 11924519 in words is "eleven million, nine hundred twenty-four thousand, five hundred nineteen".