11649479 has 2 divisors, whose sum is σ = 11649480. Its totient is φ = 11649478.

The previous prime is 11649461. The next prime is 11649481. The reversal of 11649479 is 97494611.

11649479 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11649479 is a prime.

Together with 11649481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11649439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5824739 + 5824740.

It is an arithmetic number, because the mean of its divisors is an integer number (5824740).

Almost surely, 2^11649479 is an apocalyptic number.

11649479 is a deficient number, since it is larger than the sum of its proper divisors (1).

11649479 is an equidigital number, since it uses as much as digits as its factorization.

11649479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 11649479 is about 3413.1333111966. The cubic root of 11649479 is about 226.6916382042.

The spelling of 11649479 in words is "eleven million, six hundred forty-nine thousand, four hundred seventy-nine".