11378983 has 8 divisors (see below), whose sum is σ = 14186880. Its totient is φ = 8866680.

The previous prime is 11378977. The next prime is 11378989. The reversal of 11378983 is 38987311.

11378983 is digitally balanced in base 2, 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 (11378977) and next prime (11378989).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11378983 is a prime.

It is a super-2 number, since 2×11378983² = 258962508228578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11378989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73813 + ... + 73966.

It is an arithmetic number, because the mean of its divisors is an integer number (1773360).

Almost surely, 2^11378983 is an apocalyptic number.

11378983 is a deficient number, since it is larger than the sum of its proper divisors (2807897).

11378983 is a wasteful number, since it uses less digits than its factorization.

11378983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147797.

The product of its digits is 36288, while the sum is 40.

The square root of 11378983 is about 3373.2748183331. The cubic root of 11378983 is about 224.9233187255.

The spelling of 11378983 in words is "eleven million, three hundred seventy-eight thousand, nine hundred eighty-three".