12161088 has 84 divisors (see below), whose sum is σ = 35740848. Its totient is φ = 3951360.

The previous prime is 12161053. The next prime is 12161099. The reversal of 12161088 is 88016121.

It is a super-2 number, since 2×12161088² = 295784122687488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24523 + ... + 25013.

Almost surely, 2^12161088 is an apocalyptic number.

12161088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12161088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17870424).

12161088 is an abundant number, since it is smaller than the sum of its proper divisors (23579760).

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

12161088 is a wasteful number, since it uses less digits than its factorization.

12161088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 12161088 is about 3487.2751540422. The cubic root of 12161088 is about 229.9627412866.

It can be divided in two parts, 1216 and 1088, that added together give a square (2304 = 48²).

The spelling of 12161088 in words is "twelve million, one hundred sixty-one thousand, eighty-eight".