12089011 has 16 divisors (see below), whose sum is σ = 13708800. Its totient is φ = 10565280.

The previous prime is 12088991. The next prime is 12089059. The reversal of 12089011 is 11098021.

It is not a de Polignac number, because 12089011 - 2⁹ = 12088499 is a prime.

It is a super-2 number, since 2×12089011² = 292288373916242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12089611) 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, 34465 + ... + 34813.

It is an arithmetic number, because the mean of its divisors is an integer number (856800).

Almost surely, 2^12089011 is an apocalyptic number.

12089011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12089011 is a deficient number, since it is larger than the sum of its proper divisors (1619789).

12089011 is a wasteful number, since it uses less digits than its factorization.

12089011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 12089011 is about 3476.9255096996. The cubic root of 12089011 is about 229.5075221847.

The spelling of 12089011 in words is "twelve million, eighty-nine thousand, eleven".