13725415 has 16 divisors (see below), whose sum is σ = 18089856. Its totient is φ = 9914400.

The previous prime is 13725401. The next prime is 13725431. The reversal of 13725415 is 51452731.

It is a happy number.

It is not a de Polignac number, because 13725415 - 2⁷ = 13725287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8200 + ... + 9730.

It is an arithmetic number, because the mean of its divisors is an integer number (1130616).

Almost surely, 2^13725415 is an apocalyptic number.

13725415 is a deficient number, since it is larger than the sum of its proper divisors (4364441).

13725415 is a wasteful number, since it uses less digits than its factorization.

13725415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710.

The product of its digits is 4200, while the sum is 28.

The square root of 13725415 is about 3704.7827196747. The cubic root of 13725415 is about 239.4281233573.

It can be divided in two parts, 137 and 25415, that added together give a palindrome (25552).

The spelling of 13725415 in words is "thirteen million, seven hundred twenty-five thousand, four hundred fifteen".