13725783 has 24 divisors (see below), whose sum is σ = 21133008. Its totient is φ = 8554752.

The previous prime is 13725769. The next prime is 13725841. The reversal of 13725783 is 38752731.

13725783 is a `hidden beast` number, since 13 + 72 + 578 + 3 = 666.

13725783 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 13725783 - 2⁸ = 13725527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13725713) 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, 43141 + ... + 43457.

It is an arithmetic number, because the mean of its divisors is an integer number (880542).

Almost surely, 2^13725783 is an apocalyptic number.

13725783 is a deficient number, since it is larger than the sum of its proper divisors (7407225).

13725783 is a wasteful number, since it uses less digits than its factorization.

13725783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 620 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 13725783 is about 3704.8323848725. The cubic root of 13725783 is about 239.4302631533.

The spelling of 13725783 in words is "thirteen million, seven hundred twenty-five thousand, seven hundred eighty-three".