11321398 has 16 divisors (see below), whose sum is σ = 18615744. Its totient is φ = 5121160.

The previous prime is 11321389. The next prime is 11321399. The reversal of 11321398 is 89312311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3861 + ... + 6127.

It is an arithmetic number, because the mean of its divisors is an integer number (1163484).

Almost surely, 2^11321398 is an apocalyptic number.

11321398 is a deficient number, since it is larger than the sum of its proper divisors (7294346).

11321398 is a wasteful number, since it uses less digits than its factorization.

11321398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507.

The product of its digits is 1296, while the sum is 28.

The square root of 11321398 is about 3364.7285180234. The cubic root of 11321398 is about 224.5432578188.

It can be divided in two parts, 113213 and 98, that added together give a palindrome (113311).

The spelling of 11321398 in words is "eleven million, three hundred twenty-one thousand, three hundred ninety-eight".