11969459 has 2 divisors, whose sum is σ = 11969460. Its totient is φ = 11969458.

The previous prime is 11969423. The next prime is 11969471. The reversal of 11969459 is 95496911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11969459 - 2⁸ = 11969203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11969059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5984729 + 5984730.

It is an arithmetic number, because the mean of its divisors is an integer number (5984730).

Almost surely, 2^11969459 is an apocalyptic number.

11969459 is a deficient number, since it is larger than the sum of its proper divisors (1).

11969459 is an equidigital number, since it uses as much as digits as its factorization.

11969459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 44.

The square root of 11969459 is about 3459.6905931022. The cubic root of 11969459 is about 228.7484572940.

The spelling of 11969459 in words is "eleven million, nine hundred sixty-nine thousand, four hundred fifty-nine".