11824819 has 2 divisors, whose sum is σ = 11824820. Its totient is φ = 11824818.

The previous prime is 11824817. The next prime is 11824823. The reversal of 11824819 is 91842811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11824819 - 2¹ = 11824817 is a prime.

It is a super-2 number, since 2×11824819² = 279652688765522, which contains 22 as substring.

Together with 11824817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11824817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5912409 + 5912410.

It is an arithmetic number, because the mean of its divisors is an integer number (5912410).

Almost surely, 2^11824819 is an apocalyptic number.

11824819 is a deficient number, since it is larger than the sum of its proper divisors (1).

11824819 is an equidigital number, since it uses as much as digits as its factorization.

11824819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 34.

The square root of 11824819 is about 3438.7234550048. The cubic root of 11824819 is about 227.8233152043.

The spelling of 11824819 in words is "eleven million, eight hundred twenty-four thousand, eight hundred nineteen".