13601449 has 2 divisors, whose sum is σ = 13601450. Its totient is φ = 13601448.

The previous prime is 13601431. The next prime is 13601453. The reversal of 13601449 is 94410631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13542400 + 59049 = 3680^2 + 243^2 .

It is a cyclic number.

It is not a de Polignac number, because 13601449 - 2⁵ = 13601417 is a prime.

It is not a weakly prime, because it can be changed into another prime (13601149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6800724 + 6800725.

It is an arithmetic number, because the mean of its divisors is an integer number (6800725).

Almost surely, 2^13601449 is an apocalyptic number.

It is an amenable number.

13601449 is a deficient number, since it is larger than the sum of its proper divisors (1).

13601449 is an equidigital number, since it uses as much as digits as its factorization.

13601449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13601449 is about 3688.0142353304. The cubic root of 13601449 is about 238.7051153253.

It can be divided in two parts, 1360 and 1449, that added together give a square (2809 = 53²).

The spelling of 13601449 in words is "thirteen million, six hundred one thousand, four hundred forty-nine".