13880238 has 8 divisors (see below), whose sum is σ = 27760488. Its totient is φ = 4626744.

The previous prime is 13880231. The next prime is 13880257. The reversal of 13880238 is 83208831.

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

13880238 is an admirable number.

It is a super-2 number, since 2×13880238² = 385322013873288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13880199 and 13880208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13880231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156681 + ... + 1156692.

It is an arithmetic number, because the mean of its divisors is an integer number (3470061).

Almost surely, 2^13880238 is an apocalyptic number.

13880238 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.

13880238 is a wasteful number, since it uses less digits than its factorization.

13880238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313378.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 13880238 is about 3725.6191431761. The cubic root of 13880238 is about 240.3250110561.

The spelling of 13880238 in words is "thirteen million, eight hundred eighty thousand, two hundred thirty-eight".