13228499 has 8 divisors (see below), whose sum is σ = 14385888. Its totient is φ = 12113280.

The previous prime is 13228489. The next prime is 13228529. The reversal of 13228499 is 99482231.

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-13228499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13228409) 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, 9887 + ... + 11144.

It is an arithmetic number, because the mean of its divisors is an integer number (1798236).

Almost surely, 2^13228499 is an apocalyptic number.

13228499 is a deficient number, since it is larger than the sum of its proper divisors (1157389).

13228499 is a wasteful number, since it uses less digits than its factorization.

13228499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21085.

The product of its digits is 31104, while the sum is 38.

The square root of 13228499 is about 3637.1003560529. The cubic root of 13228499 is about 236.5031101206.

The spelling of 13228499 in words is "thirteen million, two hundred twenty-eight thousand, four hundred ninety-nine".