13899001 has 2 divisors, whose sum is σ = 13899002. Its totient is φ = 13899000.

The previous prime is 13898987. The next prime is 13899049. The reversal of 13899001 is 10099831.

13899001 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., 13133376 + 765625 = 3624^2 + 875^2 .

It is a cyclic number.

It is not a de Polignac number, because 13899001 - 2¹⁵ = 13866233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13899071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6949500 + 6949501.

It is an arithmetic number, because the mean of its divisors is an integer number (6949501).

Almost surely, 2^13899001 is an apocalyptic number.

It is an amenable number.

13899001 is a deficient number, since it is larger than the sum of its proper divisors (1).

13899001 is an equidigital number, since it uses as much as digits as its factorization.

13899001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 13899001 is about 3728.1363977194. The cubic root of 13899001 is about 240.4332509841.

The spelling of 13899001 in words is "thirteen million, eight hundred ninety-nine thousand, one".