11988355 has 8 divisors (see below), whose sum is σ = 14407200. Its totient is φ = 9576576.

The previous prime is 11988341. The next prime is 11988367. The reversal of 11988355 is 55388911.

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

It is a cyclic number.

It is not a de Polignac number, because 11988355 - 2⁵ = 11988323 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3291 + ... + 5899.

It is an arithmetic number, because the mean of its divisors is an integer number (1800900).

Almost surely, 2^11988355 is an apocalyptic number.

11988355 is a deficient number, since it is larger than the sum of its proper divisors (2418845).

11988355 is an equidigital number, since it uses as much as digits as its factorization.

11988355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533.

The product of its digits is 43200, while the sum is 40.

The square root of 11988355 is about 3462.4203961969. The cubic root of 11988355 is about 228.8687678905.

The spelling of 11988355 in words is "eleven million, nine hundred eighty-eight thousand, three hundred fifty-five".