13878227 has 8 divisors (see below), whose sum is σ = 15936960. Its totient is φ = 11952360.

The previous prime is 13878217. The next prime is 13878229. The reversal of 13878227 is 72287831.

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

It is a cyclic number.

It is not a de Polignac number, because 13878227 - 2⁸ = 13877971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13878229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32993 + ... + 33410.

It is an arithmetic number, because the mean of its divisors is an integer number (1992120).

Almost surely, 2^13878227 is an apocalyptic number.

13878227 is a deficient number, since it is larger than the sum of its proper divisors (2058733).

13878227 is a wasteful number, since it uses less digits than its factorization.

13878227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66433.

The product of its digits is 37632, while the sum is 38.

The square root of 13878227 is about 3725.3492453728. The cubic root of 13878227 is about 240.3134042201.

The spelling of 13878227 in words is "thirteen million, eight hundred seventy-eight thousand, two hundred twenty-seven".