13878498 has 8 divisors (see below), whose sum is σ = 27757008. Its totient is φ = 4626164.

The previous prime is 13878481. The next prime is 13878509. The reversal of 13878498 is 89487831.

13878498 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.

13878498 is an admirable number.

It is a super-2 number, since 2×13878498² = 385225413472008, 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, 1156536 + ... + 1156547.

It is an arithmetic number, because the mean of its divisors is an integer number (3469626).

Almost surely, 2^13878498 is an apocalyptic number.

13878498 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.

13878498 is a wasteful number, since it uses less digits than its factorization.

13878498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313088.

The product of its digits is 387072, while the sum is 48.

The square root of 13878498 is about 3725.3856176240. The cubic root of 13878498 is about 240.3149684090.

Adding to 13878498 its sum of digits (48), we get a triangular number (13878546 = T₅₂₆₈).

The spelling of 13878498 in words is "thirteen million, eight hundred seventy-eight thousand, four hundred ninety-eight".