11990106 has 24 divisors (see below), whose sum is σ = 26941824. Its totient is φ = 3996540.

The previous prime is 11990101. The next prime is 11990113. The reversal of 11990106 is 60109911.

It is a super-3 number, since 3×11990106³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 11990106.

It is not an unprimeable number, because it can be changed into a prime (11990101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11850 + ... + 12821.

It is an arithmetic number, because the mean of its divisors is an integer number (1122576).

Almost surely, 2^11990106 is an apocalyptic number.

11990106 is an abundant number, since it is smaller than the sum of its proper divisors (14951718).

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

11990106 is an equidigital number, since it uses as much as digits as its factorization.

11990106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24688 (or 24676 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 27.

The square root of 11990106 is about 3462.6732447634. The cubic root of 11990106 is about 228.8799100837.

The spelling of 11990106 in words is "eleven million, nine hundred ninety thousand, one hundred six".