13439207 has 4 divisors (see below), whose sum is σ = 13497120. Its totient is φ = 13381296.

The previous prime is 13439201. The next prime is 13439219. The reversal of 13439207 is 70293431.

13439207 is digitally balanced in base 2 and base 3, because in such bases 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: 70293431 = 13 ⋅5407187.

It is a cyclic number.

It is not a de Polignac number, because 13439207 - 2⁴ = 13439191 is a prime.

It is a super-2 number, since 2×13439207² = 361224569577698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13439207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13439201) 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, 28607 + ... + 29072.

It is an arithmetic number, because the mean of its divisors is an integer number (3374280).

Almost surely, 2^13439207 is an apocalyptic number.

13439207 is a deficient number, since it is larger than the sum of its proper divisors (57913).

13439207 is an equidigital number, since it uses as much as digits as its factorization.

13439207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57912.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 13439207 is about 3665.9524001274. The cubic root of 13439207 is about 237.7522018974.

The spelling of 13439207 in words is "thirteen million, four hundred thirty-nine thousand, two hundred seven".