13925905 has 16 divisors (see below), whose sum is σ = 19223424. Its totient is φ = 9486720.

The previous prime is 13925903. The next prime is 13925927. The reversal of 13925905 is 50952931.

It is a happy number.

13925905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13925905 - 2¹ = 13925903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13925903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4485 + ... + 6925.

It is an arithmetic number, because the mean of its divisors is an integer number (1201464).

Almost surely, 2^13925905 is an apocalyptic number.

It is an amenable number.

13925905 is a deficient number, since it is larger than the sum of its proper divisors (5297519).

13925905 is a wasteful number, since it uses less digits than its factorization.

13925905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 13925905 is about 3731.7428903932. The cubic root of 13925905 is about 240.5882848350.

The spelling of 13925905 in words is "thirteen million, nine hundred twenty-five thousand, nine hundred five".