11949579 has 8 divisors (see below), whose sum is σ = 17703120. Its totient is φ = 7966368.

The previous prime is 11949577. The next prime is 11949583. The reversal of 11949579 is 97594911.

11949579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11949579 - 2¹ = 11949577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11949577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221262 + ... + 221315.

It is an arithmetic number, because the mean of its divisors is an integer number (2212890).

Almost surely, 2^11949579 is an apocalyptic number.

11949579 is a deficient number, since it is larger than the sum of its proper divisors (5753541).

11949579 is an equidigital number, since it uses as much as digits as its factorization.

11949579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442586 (or 442580 counting only the distinct ones).

The product of its digits is 102060, while the sum is 45.

The square root of 11949579 is about 3456.8163098435. The cubic root of 11949579 is about 228.6217448195.

The spelling of 11949579 in words is "eleven million, nine hundred forty-nine thousand, five hundred seventy-nine".