11646913 has 8 divisors (see below), whose sum is σ = 11892096. Its totient is φ = 11403600.

The previous prime is 11646907. The next prime is 11646919. The reversal of 11646913 is 31964611.

11646913 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11646907) and next prime (11646919).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11646913 - 2¹³ = 11638721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11646919) 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 in 7 ways as a sum of consecutive naturals, for example, 26070 + ... + 26512.

It is an arithmetic number, because the mean of its divisors is an integer number (1486512).

Almost surely, 2^11646913 is an apocalyptic number.

It is an amenable number.

11646913 is a deficient number, since it is larger than the sum of its proper divisors (245183).

11646913 is an equidigital number, since it uses as much as digits as its factorization.

11646913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935.

The product of its digits is 3888, while the sum is 31.

The square root of 11646913 is about 3412.7573895605. The cubic root of 11646913 is about 226.6749927257.

The spelling of 11646913 in words is "eleven million, six hundred forty-six thousand, nine hundred thirteen".