13388297 has 8 divisors (see below), whose sum is σ = 14503944. Its totient is φ = 12284928.

The previous prime is 13388269. The next prime is 13388321. The reversal of 13388297 is 79288331.

It can be written as a sum of positive squares in 4 ways, for example, as 109561 + 13278736 = 331^2 + 3644^2 .

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 13388297 - 2⁸ = 13388041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13388267) 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, 728 + ... + 5225.

It is an arithmetic number, because the mean of its divisors is an integer number (1812993).

Almost surely, 2^13388297 is an apocalyptic number.

It is an amenable number.

13388297 is a deficient number, since it is larger than the sum of its proper divisors (1115647).

13388297 is a wasteful number, since it uses less digits than its factorization.

13388297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6139.

The product of its digits is 72576, while the sum is 41.

The square root of 13388297 is about 3659.0021863891. The cubic root of 13388297 is about 237.4516067605.

The spelling of 13388297 in words is "thirteen million, three hundred eighty-eight thousand, two hundred ninety-seven".