13505874 has 8 divisors (see below), whose sum is σ = 27011760. Its totient is φ = 4501956.

The previous prime is 13505857. The next prime is 13505897. The reversal of 13505874 is 47850531.

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

13505874 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125484 + ... + 1125495.

It is an arithmetic number, because the mean of its divisors is an integer number (3376470).

Almost surely, 2^13505874 is an apocalyptic number.

13505874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13505874 is a wasteful number, since it uses less digits than its factorization.

13505874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250984.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 13505874 is about 3675.0338773949. The cubic root of 13505874 is about 238.1446875794.

The spelling of 13505874 in words is "thirteen million, five hundred five thousand, eight hundred seventy-four".