13925387 has 4 divisors (see below), whose sum is σ = 15914736. Its totient is φ = 11936040.

The previous prime is 13925377. The next prime is 13925399. The reversal of 13925387 is 78352931.

13925387 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13925387 - 2¹⁶ = 13859851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13925387.

It is not an unprimeable number, because it can be changed into a prime (13925377) 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, 994664 + ... + 994677.

It is an arithmetic number, because the mean of its divisors is an integer number (3978684).

Almost surely, 2^13925387 is an apocalyptic number.

13925387 is a deficient number, since it is larger than the sum of its proper divisors (1989349).

13925387 is an equidigital number, since it uses as much as digits as its factorization.

13925387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989348.

The product of its digits is 45360, while the sum is 38.

The square root of 13925387 is about 3731.6734851806. The cubic root of 13925387 is about 240.5853017548.

The spelling of 13925387 in words is "thirteen million, nine hundred twenty-five thousand, three hundred eighty-seven".