13240207 has 4 divisors (see below), whose sum is σ = 13937080. Its totient is φ = 12543336.

The previous prime is 13240189. The next prime is 13240217. The reversal of 13240207 is 70204231.

13240207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70204231 = 751 ⋅93481.

It is a cyclic number.

It is not a de Polignac number, because 13240207 - 2⁷ = 13240079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 696853 = 13240207 / (1 + 3 + 2 + 4 + 0 + 2 + 0 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240217) 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, 348408 + ... + 348445.

It is an arithmetic number, because the mean of its divisors is an integer number (3484270).

Almost surely, 2^13240207 is an apocalyptic number.

13240207 is a deficient number, since it is larger than the sum of its proper divisors (696873).

13240207 is an equidigital number, since it uses as much as digits as its factorization.

13240207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696872.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 13240207 is about 3638.7095239934. The cubic root of 13240207 is about 236.5728626026.

Adding to 13240207 its reverse (70204231), we get a palindrome (83444438).

The spelling of 13240207 in words is "thirteen million, two hundred forty thousand, two hundred seven".