13725408 has 24 divisors (see below), whose sum is σ = 36029448. Its totient is φ = 4575104.

The previous prime is 13725401. The next prime is 13725431. The reversal of 13725408 is 80452731.

13725408 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent 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, 71391 + ... + 71582.

It is an arithmetic number, because the mean of its divisors is an integer number (1501227).

Almost surely, 2^13725408 is an apocalyptic number.

It is an amenable number.

13725408 is an abundant number, since it is smaller than the sum of its proper divisors (22304040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13725408 is a wasteful number, since it uses less digits than its factorization.

13725408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142986 (or 142978 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 13725408 is about 3704.7817749498. The cubic root of 13725408 is about 239.4280826543.

The spelling of 13725408 in words is "thirteen million, seven hundred twenty-five thousand, four hundred eight".