13725320 has 32 divisors (see below), whose sum is σ = 35294400. Its totient is φ = 4705728.

The previous prime is 13725317. The next prime is 13725329. The reversal of 13725320 is 2352731.

It is not an unprimeable number, because it can be changed into a prime (13725329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24230 + ... + 24789.

It is an arithmetic number, because the mean of its divisors is an integer number (1102950).

Almost surely, 2^13725320 is an apocalyptic number.

13725320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13725320 is an abundant number, since it is smaller than the sum of its proper divisors (21569080).

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

13725320 is a wasteful number, since it uses less digits than its factorization.

13725320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49037 (or 49033 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 13725320 is about 3704.7698983878. The cubic root of 13725320 is about 239.4275709581.

The spelling of 13725320 in words is "thirteen million, seven hundred twenty-five thousand, three hundred twenty".