13457245 has 8 divisors (see below), whose sum is σ = 16330680. Its totient is φ = 10644480.

The previous prime is 13457243. The next prime is 13457261. The reversal of 13457245 is 54275431.

It can be written as a sum of positive squares in 4 ways, for example, as 17689 + 13439556 = 133^2 + 3666^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13457245 - 2¹ = 13457243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13457243) 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, 14676 + ... + 15565.

It is an arithmetic number, because the mean of its divisors is an integer number (2041335).

Almost surely, 2^13457245 is an apocalyptic number.

It is an amenable number.

13457245 is a deficient number, since it is larger than the sum of its proper divisors (2873435).

13457245 is an equidigital number, since it uses as much as digits as its factorization.

13457245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30335.

The product of its digits is 16800, while the sum is 31.

The square root of 13457245 is about 3668.4117816843. The cubic root of 13457245 is about 237.8585240673.

The spelling of 13457245 in words is "thirteen million, four hundred fifty-seven thousand, two hundred forty-five".