13361245 has 4 divisors (see below), whose sum is σ = 16033500. Its totient is φ = 10688992.

The previous prime is 13361221. The next prime is 13361267. The reversal of 13361245 is 54216331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3286969 + 10074276 = 1813^2 + 3174^2 .

It is a cyclic number.

It is not a de Polignac number, because 13361245 - 2⁵ = 13361213 is a prime.

It is a super-3 number, since 3×13361245³ (a number of 22 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1336120 + ... + 1336129.

It is an arithmetic number, because the mean of its divisors is an integer number (4008375).

Almost surely, 2^13361245 is an apocalyptic number.

It is an amenable number.

13361245 is a deficient number, since it is larger than the sum of its proper divisors (2672255).

13361245 is an equidigital number, since it uses as much as digits as its factorization.

13361245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672254.

The product of its digits is 2160, while the sum is 25.

The square root of 13361245 is about 3655.3036809546. The cubic root of 13361245 is about 237.2915696740.

Adding to 13361245 its reverse (54216331), we get a palindrome (67577576).

The spelling of 13361245 in words is "thirteen million, three hundred sixty-one thousand, two hundred forty-five".