11398678 has 8 divisors (see below), whose sum is σ = 17123040. Its totient is φ = 5691000.

The previous prime is 11398637. The next prime is 11398679. The reversal of 11398678 is 87689311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11398679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2293 + ... + 5296.

It is an arithmetic number, because the mean of its divisors is an integer number (2140380).

Almost surely, 2^11398678 is an apocalyptic number.

11398678 is a deficient number, since it is larger than the sum of its proper divisors (5724362).

11398678 is an equidigital number, since it uses as much as digits as its factorization.

11398678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8342.

The product of its digits is 72576, while the sum is 43.

The square root of 11398678 is about 3376.1928262467. The cubic root of 11398678 is about 225.0530113775.

The spelling of 11398678 in words is "eleven million, three hundred ninety-eight thousand, six hundred seventy-eight".