11648015 has 4 divisors (see below), whose sum is σ = 13977624. Its totient is φ = 9318408.

The previous prime is 11648003. The next prime is 11648023. The reversal of 11648015 is 51084611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11648015 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1164797 + ... + 1164806.

It is an arithmetic number, because the mean of its divisors is an integer number (3494406).

Almost surely, 2^11648015 is an apocalyptic number.

11648015 is a deficient number, since it is larger than the sum of its proper divisors (2329609).

11648015 is an equidigital number, since it uses as much as digits as its factorization.

11648015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329608.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 11648015 is about 3412.9188387654. The cubic root of 11648015 is about 226.6821416290.

The spelling of 11648015 in words is "eleven million, six hundred forty-eight thousand, fifteen".