13725603 has 6 divisors (see below), whose sum is σ = 19825884. Its totient is φ = 9150396.

The previous prime is 13725601. The next prime is 13725617. The reversal of 13725603 is 30652731.

It is a happy number.

13725603 is a `hidden beast` number, since 1 + 37 + 25 + 603 = 666.

It is not a de Polignac number, because 13725603 - 2¹ = 13725601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13725601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 762525 + ... + 762542.

It is an arithmetic number, because the mean of its divisors is an integer number (3304314).

Almost surely, 2^13725603 is an apocalyptic number.

13725603 is a deficient number, since it is larger than the sum of its proper divisors (6100281).

13725603 is a wasteful number, since it uses less digits than its factorization.

13725603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525073 (or 1525070 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 13725603 is about 3704.8080921959. The cubic root of 13725603 is about 239.4292165187.

The spelling of 13725603 in words is "thirteen million, seven hundred twenty-five thousand, six hundred three".