11129986 has 8 divisors (see below), whose sum is σ = 19080000. Its totient is φ = 4769988.

The previous prime is 11129981. The next prime is 11130001. The reversal of 11129986 is 68992111.

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

It is a super-3 number, since 3×11129986³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11129981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397486 + ... + 397513.

It is an arithmetic number, because the mean of its divisors is an integer number (2385000).

Almost surely, 2^11129986 is an apocalyptic number.

11129986 is a deficient number, since it is larger than the sum of its proper divisors (7950014).

11129986 is an equidigital number, since it uses as much as digits as its factorization.

11129986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795008.

The product of its digits is 7776, while the sum is 37.

The square root of 11129986 is about 3336.1633653045. The cubic root of 11129986 is about 223.2705999391.

The spelling of 11129986 in words is "eleven million, one hundred twenty-nine thousand, nine hundred eighty-six".