13858828 has 12 divisors (see below), whose sum is σ = 25529560. Its totient is φ = 6564672.

The previous prime is 13858799. The next prime is 13858837. The reversal of 13858828 is 82885831.

It is a super-2 number, since 2×13858828² = 384134227067168, which contains 22 as substring.

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, 91101 + ... + 91252.

Almost surely, 2^13858828 is an apocalyptic number.

It is an amenable number.

13858828 is a deficient number, since it is larger than the sum of its proper divisors (11670732).

13858828 is a wasteful number, since it uses less digits than its factorization.

13858828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182376 (or 182374 counting only the distinct ones).

The product of its digits is 122880, while the sum is 43.

The square root of 13858828 is about 3722.7446863840. The cubic root of 13858828 is about 240.2013819009.

The spelling of 13858828 in words is "thirteen million, eight hundred fifty-eight thousand, eight hundred twenty-eight".