13513755 has 8 divisors (see below), whose sum is σ = 21622032. Its totient is φ = 7207328.

The previous prime is 13513751. The next prime is 13513771. The reversal of 13513755 is 55731531.

13513755 is digitally balanced in base 2, because in such base 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 a cyclic number.

It is not a de Polignac number, because 13513755 - 2² = 13513751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13513751) 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, 450444 + ... + 450473.

It is an arithmetic number, because the mean of its divisors is an integer number (2702754).

Almost surely, 2^13513755 is an apocalyptic number.

13513755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13513755 is a deficient number, since it is larger than the sum of its proper divisors (8108277).

13513755 is an equidigital number, since it uses as much as digits as its factorization.

13513755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900925.

The product of its digits is 7875, while the sum is 30.

The square root of 13513755 is about 3676.1059560355. The cubic root of 13513755 is about 238.1909996099.

The spelling of 13513755 in words is "thirteen million, five hundred thirteen thousand, seven hundred fifty-five".