11969201 has 2 divisors, whose sum is σ = 11969202. Its totient is φ = 11969200.

The previous prime is 11969189. The next prime is 11969203. The reversal of 11969201 is 10296911.

11969201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10394176 + 1575025 = 3224^2 + 1255^2 .

It is a cyclic number.

It is not a de Polignac number, because 11969201 - 2⁶ = 11969137 is a prime.

It is a Sophie Germain prime.

Together with 11969203, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11969203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5984600 + 5984601.

It is an arithmetic number, because the mean of its divisors is an integer number (5984601).

Almost surely, 2^11969201 is an apocalyptic number.

It is an amenable number.

11969201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11969201 is an equidigital number, since it uses as much as digits as its factorization.

11969201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 11969201 is about 3459.6533063300. The cubic root of 11969201 is about 228.7468137353.

The spelling of 11969201 in words is "eleven million, nine hundred sixty-nine thousand, two hundred one".