13868025 has 24 divisors (see below), whose sum is σ = 23078880. Its totient is φ = 7347840.

The previous prime is 13868017. The next prime is 13868027. The reversal of 13868025 is 52086831.

It is a happy number.

It is not a de Polignac number, because 13868025 - 2³ = 13868017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13868027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12909 + ... + 13941.

It is an arithmetic number, because the mean of its divisors is an integer number (961620).

Almost surely, 2^13868025 is an apocalyptic number.

13868025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13868025 is a deficient number, since it is larger than the sum of its proper divisors (9210855).

13868025 is a wasteful number, since it uses less digits than its factorization.

13868025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 13868025 is about 3723.9797260458. The cubic root of 13868025 is about 240.2545043249.

The spelling of 13868025 in words is "thirteen million, eight hundred sixty-eight thousand, twenty-five".