13725449 has 2 divisors, whose sum is σ = 13725450. Its totient is φ = 13725448.

The previous prime is 13725431. The next prime is 13725473. The reversal of 13725449 is 94452731.

13725449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10725625 + 2999824 = 3275^2 + 1732^2 .

It is a cyclic number.

It is not a de Polignac number, because 13725449 - 2¹² = 13721353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13725479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6862724 + 6862725.

It is an arithmetic number, because the mean of its divisors is an integer number (6862725).

Almost surely, 2^13725449 is an apocalyptic number.

It is an amenable number.

13725449 is a deficient number, since it is larger than the sum of its proper divisors (1).

13725449 is an equidigital number, since it uses as much as digits as its factorization.

13725449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 13725449 is about 3704.7873083350. The cubic root of 13725449 is about 239.4283210575.

The spelling of 13725449 in words is "thirteen million, seven hundred twenty-five thousand, four hundred forty-nine".