13499245 has 8 divisors (see below), whose sum is σ = 16221816. Its totient is φ = 10784256.

The previous prime is 13499237. The next prime is 13499257. The reversal of 13499245 is 54299431.

It can be written as a sum of positive squares in 4 ways, for example, as 675684 + 12823561 = 822^2 + 3581^2 .

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 13499245 - 2³ = 13499237 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3349 + ... + 6181.

It is an arithmetic number, because the mean of its divisors is an integer number (2027727).

Almost surely, 2^13499245 is an apocalyptic number.

It is an amenable number.

13499245 is a deficient number, since it is larger than the sum of its proper divisors (2722571).

13499245 is an equidigital number, since it uses as much as digits as its factorization.

13499245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791.

The product of its digits is 38880, while the sum is 37.

The square root of 13499245 is about 3674.1318702518. The cubic root of 13499245 is about 238.1057188688.

The spelling of 13499245 in words is "thirteen million, four hundred ninety-nine thousand, two hundred forty-five".