13487828 has 12 divisors (see below), whose sum is σ = 23903040. Its totient is φ = 6658392.

The previous prime is 13487819. The next prime is 13487849. The reversal of 13487828 is 82878431.

It is a super-3 number, since 3×13487828³ (a number of 22 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 21026 + ... + 21657.

It is an arithmetic number, because the mean of its divisors is an integer number (1991920).

Almost surely, 2^13487828 is an apocalyptic number.

It is an amenable number.

13487828 is a deficient number, since it is larger than the sum of its proper divisors (10415212).

13487828 is a wasteful number, since it uses less digits than its factorization.

13487828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42766 (or 42764 counting only the distinct ones).

The product of its digits is 86016, while the sum is 41.

The square root of 13487828 is about 3672.5778412445. The cubic root of 13487828 is about 238.0385738857.

The spelling of 13487828 in words is "thirteen million, four hundred eighty-seven thousand, eight hundred twenty-eight".