13503375 has 32 divisors (see below), whose sum is σ = 24972480. Its totient is φ = 7200000.

The previous prime is 13503341. The next prime is 13503377. The reversal of 13503375 is 57330531.

It is not a de Polignac number, because 13503375 - 2⁶ = 13503311 is a prime.

It is a super-2 number, since 2×13503375² = 364682272781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13503377) 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 31 ways as a sum of consecutive naturals, for example, 1375 + ... + 5375.

It is an arithmetic number, because the mean of its divisors is an integer number (780390).

Almost surely, 2^13503375 is an apocalyptic number.

13503375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13503375 is a deficient number, since it is larger than the sum of its proper divisors (11469105).

13503375 is an equidigital number, since it uses as much as digits as its factorization.

13503375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4025 (or 4009 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 27.

The square root of 13503375 is about 3674.6938648002. The cubic root of 13503375 is about 238.1299986551.

The spelling of 13503375 in words is "thirteen million, five hundred three thousand, three hundred seventy-five".