13135245 has 8 divisors (see below), whose sum is σ = 21016416. Its totient is φ = 7005456.

The previous prime is 13135217. The next prime is 13135247. The reversal of 13135245 is 54253131.

13135245 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13135245 - 2⁶ = 13135181 is a prime.

It is a super-2 number, since 2×13135245² = 345069322420050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13135247) 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, 437827 + ... + 437856.

It is an arithmetic number, because the mean of its divisors is an integer number (2627052).

Almost surely, 2^13135245 is an apocalyptic number.

13135245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13135245 is a deficient number, since it is larger than the sum of its proper divisors (7881171).

13135245 is an equidigital number, since it uses as much as digits as its factorization.

13135245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875691.

The product of its digits is 1800, while the sum is 24.

The square root of 13135245 is about 3624.2578550650. The cubic root of 13135245 is about 235.9460580057.

Adding to 13135245 its reverse (54253131), we get a palindrome (67388376).

The spelling of 13135245 in words is "thirteen million, one hundred thirty-five thousand, two hundred forty-five".