13503607 has 6 divisors (see below), whose sum is σ = 14622432. Its totient is φ = 12464712.

The previous prime is 13503601. The next prime is 13503619. The reversal of 13503607 is 70630531.

It is a happy number.

It is not a de Polignac number, because 13503607 - 2¹⁵ = 13470839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13503601) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 39783 + ... + 40120.

It is an arithmetic number, because the mean of its divisors is an integer number (2437072).

Almost surely, 2^13503607 is an apocalyptic number.

13503607 is a deficient number, since it is larger than the sum of its proper divisors (1118825).

13503607 is an equidigital number, since it uses as much as digits as its factorization.

13503607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79929 (or 79916 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 13503607 is about 3674.7254319201. The cubic root of 13503607 is about 238.1313624090.

The spelling of 13503607 in words is "thirteen million, five hundred three thousand, six hundred seven".