11900579 has 2 divisors, whose sum is σ = 11900580. Its totient is φ = 11900578.

The previous prime is 11900563. The next prime is 11900597. The reversal of 11900579 is 97500911.

Together with next prime (11900597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11900579 - 2⁴ = 11900563 is a prime.

It is not a weakly prime, because it can be changed into another prime (11900509) 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, 5950289 + 5950290.

It is an arithmetic number, because the mean of its divisors is an integer number (5950290).

Almost surely, 2^11900579 is an apocalyptic number.

11900579 is a deficient number, since it is larger than the sum of its proper divisors (1).

11900579 is an equidigital number, since it uses as much as digits as its factorization.

11900579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 11900579 is about 3449.7215829687. The cubic root of 11900579 is about 228.3088240989.

The spelling of 11900579 in words is "eleven million, nine hundred thousand, five hundred seventy-nine".