11798919 has 16 divisors (see below), whose sum is σ = 19069440. Its totient is φ = 7150680.

The previous prime is 11798903. The next prime is 11798929. The reversal of 11798919 is 91989711.

It is not a de Polignac number, because 11798919 - 2⁴ = 11798903 is a prime.

It is a super-2 number, since 2×11798919² = 278428979137122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11798929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19567 + ... + 20160.

It is an arithmetic number, because the mean of its divisors is an integer number (1191840).

Almost surely, 2^11798919 is an apocalyptic number.

11798919 is a deficient number, since it is larger than the sum of its proper divisors (7270521).

11798919 is a wasteful number, since it uses less digits than its factorization.

11798919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39747 (or 39741 counting only the distinct ones).

The product of its digits is 40824, while the sum is 45.

The square root of 11798919 is about 3434.9554582265. The cubic root of 11798919 is about 227.6568591772.

The spelling of 11798919 in words is "eleven million, seven hundred ninety-eight thousand, nine hundred nineteen".