14172649 has 2 divisors, whose sum is σ = 14172650. Its totient is φ = 14172648.

The previous prime is 14172643. The next prime is 14172661. The reversal of 14172649 is 94627141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14115049 + 57600 = 3757^2 + 240^2 .

It is a cyclic number.

It is not a de Polignac number, because 14172649 - 2⁵ = 14172617 is a prime.

It is not a weakly prime, because it can be changed into another prime (14172643) 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 as a sum of consecutive naturals, namely, 7086324 + 7086325.

It is an arithmetic number, because the mean of its divisors is an integer number (7086325).

Almost surely, 2^14172649 is an apocalyptic number.

It is an amenable number.

14172649 is a deficient number, since it is larger than the sum of its proper divisors (1).

14172649 is an equidigital number, since it uses as much as digits as its factorization.

14172649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 14172649 is about 3764.6578861830. The cubic root of 14172649 is about 242.0009163729. Note that the first 3 decimals are identical.

The spelling of 14172649 in words is "fourteen million, one hundred seventy-two thousand, six hundred forty-nine".