13400245 has 8 divisors (see below), whose sum is σ = 16301016. Its totient is φ = 10573056.

The previous prime is 13400239. The next prime is 13400251. The reversal of 13400245 is 54200431.

13400245 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13400239) and next prime (13400251).

It can be written as a sum of positive squares in 4 ways, for example, as 3709476 + 9690769 = 1926^2 + 3113^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13400245 - 2¹³ = 13392053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17992 + ... + 18721.

It is an arithmetic number, because the mean of its divisors is an integer number (2037627).

Almost surely, 2^13400245 is an apocalyptic number.

It is an amenable number.

13400245 is a deficient number, since it is larger than the sum of its proper divisors (2900771).

13400245 is an equidigital number, since it uses as much as digits as its factorization.

13400245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36791.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 13400245 is about 3660.6345078415. The cubic root of 13400245 is about 237.5222213742.

Adding to 13400245 its reverse (54200431), we get a palindrome (67600676).

The spelling of 13400245 in words is "thirteen million, four hundred thousand, two hundred forty-five".