11219899 has 8 divisors (see below), whose sum is σ = 11880000. Its totient is φ = 10566792.

The previous prime is 11219891. The next prime is 11219903. The reversal of 11219899 is 99891211.

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 11219899 - 2³ = 11219891 is a prime.

It is a super-2 number, since 2×11219899² = 251772267140402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11219891) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1752 + ... + 5050.

It is an arithmetic number, because the mean of its divisors is an integer number (1485000).

Almost surely, 2^11219899 is an apocalyptic number.

11219899 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11219899 is a deficient number, since it is larger than the sum of its proper divisors (660101).

11219899 is a wasteful number, since it uses less digits than its factorization.

11219899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497.

The product of its digits is 11664, while the sum is 40.

The square root of 11219899 is about 3349.6117685487. The cubic root of 11219899 is about 223.8702147300.

The spelling of 11219899 in words is "eleven million, two hundred nineteen thousand, eight hundred ninety-nine".