13908427 has 8 divisors (see below), whose sum is σ = 15224720. Its totient is φ = 12627360.

The previous prime is 13908421. The next prime is 13908439. The reversal of 13908427 is 72480931.

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 13908427 - 2⁷ = 13908299 is a prime.

It is a super-2 number, since 2×13908427² = 386888683228658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13908392 and 13908401.

It is not an unprimeable number, because it can be changed into a prime (13908421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7977 + ... + 9562.

It is an arithmetic number, because the mean of its divisors is an integer number (1903090).

Almost surely, 2^13908427 is an apocalyptic number.

13908427 is a deficient number, since it is larger than the sum of its proper divisors (1316293).

13908427 is a wasteful number, since it uses less digits than its factorization.

13908427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17613.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 13908427 is about 3729.4003539443. The cubic root of 13908427 is about 240.4875909014.

The spelling of 13908427 in words is "thirteen million, nine hundred eight thousand, four hundred twenty-seven".