11797819 has 8 divisors (see below), whose sum is σ = 13004208. Its totient is φ = 10613760.

The previous prime is 11797801. The next prime is 11797823. The reversal of 11797819 is 91879711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11797819 - 2⁵ = 11797787 is a prime.

It is a super-2 number, since 2×11797819² = 278377066313522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11797319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4462 + ... + 6595.

It is an arithmetic number, because the mean of its divisors is an integer number (1625526).

Almost surely, 2^11797819 is an apocalyptic number.

11797819 is a deficient number, since it is larger than the sum of its proper divisors (1206389).

11797819 is a wasteful number, since it uses less digits than its factorization.

11797819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11165.

The product of its digits is 31752, while the sum is 43.

The square root of 11797819 is about 3434.7953359698. The cubic root of 11797819 is about 227.6497842260.

It can be divided in two parts, 1179 and 7819, that added together give a palindrome (8998).

The spelling of 11797819 in words is "eleven million, seven hundred ninety-seven thousand, eight hundred nineteen".