11398655 has 8 divisors (see below), whose sum is σ = 13996752. Its totient is φ = 8906688.

The previous prime is 11398637. The next prime is 11398679. The reversal of 11398655 is 55689311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11398655 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26294 + ... + 26723.

It is an arithmetic number, because the mean of its divisors is an integer number (1749594).

Almost surely, 2^11398655 is an apocalyptic number.

11398655 is a deficient number, since it is larger than the sum of its proper divisors (2598097).

11398655 is an equidigital number, since it uses as much as digits as its factorization.

11398655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53065.

The product of its digits is 32400, while the sum is 38.

The square root of 11398655 is about 3376.1894200415. The cubic root of 11398655 is about 225.0528600084.

The spelling of 11398655 in words is "eleven million, three hundred ninety-eight thousand, six hundred fifty-five".