11199690 has 48 divisors (see below), whose sum is σ = 29416608. Its totient is φ = 2956128.

The previous prime is 11199673. The next prime is 11199691. The reversal of 11199690 is 9699111.

11199690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11199690² = 250866112192200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11199691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9049 + ... + 10211.

It is an arithmetic number, because the mean of its divisors is an integer number (612846).

Almost surely, 2^11199690 is an apocalyptic number.

11199690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11199690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14708304).

11199690 is an abundant number, since it is smaller than the sum of its proper divisors (18216918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11199690 is a wasteful number, since it uses less digits than its factorization.

11199690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 36.

The square root of 11199690 is about 3346.5937907072. The cubic root of 11199690 is about 223.7357241498.

The spelling of 11199690 in words is "eleven million, one hundred ninety-nine thousand, six hundred ninety".