13135884 has 12 divisors (see below), whose sum is σ = 30650424. Its totient is φ = 4378624.

The previous prime is 13135879. The next prime is 13135919. The reversal of 13135884 is 48853131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×13135884² = 345102896922912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547317 + ... + 547340.

It is an arithmetic number, because the mean of its divisors is an integer number (2554202).

Almost surely, 2^13135884 is an apocalyptic number.

It is an amenable number.

13135884 is an abundant number, since it is smaller than the sum of its proper divisors (17514540).

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

13135884 is a wasteful number, since it uses less digits than its factorization.

13135884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094664 (or 1094662 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 13135884 is about 3624.3460099720. The cubic root of 13135884 is about 235.9498840246.

The spelling of 13135884 in words is "thirteen million, one hundred thirty-five thousand, eight hundred eighty-four".