13413725 has 24 divisors (see below), whose sum is σ = 18097800. Its totient is φ = 9803520.

The previous prime is 13413707. The next prime is 13413727. The reversal of 13413725 is 52731431.

It can be written as a sum of positive squares in 12 ways, for example, as 10936249 + 2477476 = 3307^2 + 1574^2 .

It is not a de Polignac number, because 13413725 - 2⁶ = 13413661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13413694 and 13413703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13413727) 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, 48287 + ... + 48563.

It is an arithmetic number, because the mean of its divisors is an integer number (754075).

Almost surely, 2^13413725 is an apocalyptic number.

It is an amenable number.

13413725 is a deficient number, since it is larger than the sum of its proper divisors (4684075).

13413725 is a wasteful number, since it uses less digits than its factorization.

13413725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 444 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 13413725 is about 3662.4752558891. The cubic root of 13413725 is about 237.6018399813.

It can be divided in two parts, 1341 and 3725, that multiplied together give a square (4995225 = 2235²).

The spelling of 13413725 in words is "thirteen million, four hundred thirteen thousand, seven hundred twenty-five".