13398207 has 4 divisors (see below), whose sum is σ = 17864280. Its totient is φ = 8932136.

The previous prime is 13398157. The next prime is 13398233. The reversal of 13398207 is 70289331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13398207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13398247) 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, 2233032 + ... + 2233037.

It is an arithmetic number, because the mean of its divisors is an integer number (4466070).

Almost surely, 2^13398207 is an apocalyptic number.

13398207 is a deficient number, since it is larger than the sum of its proper divisors (4466073).

13398207 is an equidigital number, since it uses as much as digits as its factorization.

13398207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4466072.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 13398207 is about 3660.3561302147. The cubic root of 13398207 is about 237.5101794344.

The spelling of 13398207 in words is "thirteen million, three hundred ninety-eight thousand, two hundred seven".