11883691 has 4 divisors (see below), whose sum is σ = 12026952. Its totient is φ = 11740432.

The previous prime is 11883689. The next prime is 11883737. The reversal of 11883691 is 19638811.

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

It is a cyclic number.

It is not a de Polignac number, because 11883691 - 2¹ = 11883689 is a prime.

It is a super-2 number, since 2×11883691² = 282444223566962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11883691.

It is not an unprimeable number, because it can be changed into a prime (11883601) 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, 71506 + ... + 71671.

It is an arithmetic number, because the mean of its divisors is an integer number (3006738).

Almost surely, 2^11883691 is an apocalyptic number.

11883691 is a deficient number, since it is larger than the sum of its proper divisors (143261).

11883691 is an equidigital number, since it uses as much as digits as its factorization.

11883691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143260.

The product of its digits is 10368, while the sum is 37.

The square root of 11883691 is about 3447.2729801975. The cubic root of 11883691 is about 228.2007760027.

The spelling of 11883691 in words is "eleven million, eight hundred eighty-three thousand, six hundred ninety-one".