11647379 has 4 divisors (see below), whose sum is σ = 11663880. Its totient is φ = 11630880.

The previous prime is 11647373. The next prime is 11647381. The reversal of 11647379 is 97374611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97374611 = 6053 ⋅16087.

It is a cyclic number.

It is not a de Polignac number, because 11647379 - 2⁸ = 11647123 is a prime.

It is a super-2 number, since 2×11647379² = 271322875139282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11647373) 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 3 ways as a sum of consecutive naturals, for example, 7142 + ... + 8619.

It is an arithmetic number, because the mean of its divisors is an integer number (2915970).

Almost surely, 2^11647379 is an apocalyptic number.

11647379 is a deficient number, since it is larger than the sum of its proper divisors (16501).

11647379 is an equidigital number, since it uses as much as digits as its factorization.

11647379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16500.

The product of its digits is 31752, while the sum is 38.

The square root of 11647379 is about 3412.8256621164. The cubic root of 11647379 is about 226.6780158197.

The spelling of 11647379 in words is "eleven million, six hundred forty-seven thousand, three hundred seventy-nine".