13725404 has 24 divisors (see below), whose sum is σ = 29947008. Its totient is φ = 5347440.

The previous prime is 13725401. The next prime is 13725431. The reversal of 13725404 is 40452731.

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 7 ways as a sum of consecutive naturals, for example, 21974 + ... + 22589.

It is an arithmetic number, because the mean of its divisors is an integer number (1247792).

Almost surely, 2^13725404 is an apocalyptic number.

13725404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13725404 is an abundant number, since it is smaller than the sum of its proper divisors (16221604).

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

13725404 is a wasteful number, since it uses less digits than its factorization.

13725404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44585 (or 44583 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 13725404 is about 3704.7812351069. The cubic root of 13725404 is about 239.4280593954.

It can be divided in two parts, 1372 and 5404, that added together give a palindrome (6776).

The spelling of 13725404 in words is "thirteen million, seven hundred twenty-five thousand, four hundred four".