13725403 has 4 divisors (see below), whose sum is σ = 13867000. Its totient is φ = 13583808.

The previous prime is 13725401. The next prime is 13725431. The reversal of 13725403 is 30452731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30452731 = 227 ⋅134153.

It is a cyclic number.

It is not a de Polignac number, because 13725403 - 2¹ = 13725401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13725401) 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, 70653 + ... + 70846.

It is an arithmetic number, because the mean of its divisors is an integer number (3466750).

Almost surely, 2^13725403 is an apocalyptic number.

13725403 is a deficient number, since it is larger than the sum of its proper divisors (141597).

13725403 is an equidigital number, since it uses as much as digits as its factorization.

13725403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141596.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 13725403 is about 3704.7811001461. The cubic root of 13725403 is about 239.4280535807.

The spelling of 13725403 in words is "thirteen million, seven hundred twenty-five thousand, four hundred three".