11621088 has 36 divisors (see below), whose sum is σ = 33048288. Its totient is φ = 3873600.

The previous prime is 11621039. The next prime is 11621119. The reversal of 11621088 is 88012611.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19888 + ... + 20463.

It is an arithmetic number, because the mean of its divisors is an integer number (918008).

Almost surely, 2^11621088 is an apocalyptic number.

11621088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11621088 is an abundant number, since it is smaller than the sum of its proper divisors (21427200).

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

11621088 is a wasteful number, since it uses less digits than its factorization.

11621088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40367 (or 40356 counting only the distinct ones).

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

The square root of 11621088 is about 3408.9716924609. The cubic root of 11621088 is about 226.5073313125.

Adding to 11621088 its reverse (88012611), we get a palindrome (99633699).

The spelling of 11621088 in words is "eleven million, six hundred twenty-one thousand, eighty-eight".