13457207 has 4 divisors (see below), whose sum is σ = 13488720. Its totient is φ = 13425696.

The previous prime is 13457201. The next prime is 13457209. The reversal of 13457207 is 70275431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70275431 = 59 ⋅1191109.

It is a cyclic number.

It is not a de Polignac number, because 13457207 - 2⁸ = 13456951 is a prime.

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 13457207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13457201) 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, 15107 + ... + 15972.

It is an arithmetic number, because the mean of its divisors is an integer number (3372180).

Almost surely, 2^13457207 is an apocalyptic number.

13457207 is a deficient number, since it is larger than the sum of its proper divisors (31513).

13457207 is an equidigital number, since it uses as much as digits as its factorization.

13457207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31512.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 13457207 is about 3668.4066023275. The cubic root of 13457207 is about 237.8583001822.

The spelling of 13457207 in words is "thirteen million, four hundred fifty-seven thousand, two hundred seven".