11794981 has 8 divisors (see below), whose sum is σ = 12934944. Its totient is φ = 10666320.

The previous prime is 11794963. The next prime is 11794987. The reversal of 11794981 is 18949711.

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 11794981 - 2¹¹ = 11792933 is a prime.

It is a super-2 number, since 2×11794981² = 278243153580722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11794987) 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, 555 + ... + 4888.

It is an arithmetic number, because the mean of its divisors is an integer number (1616868).

Almost surely, 2^11794981 is an apocalyptic number.

11794981 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11794981 is a deficient number, since it is larger than the sum of its proper divisors (1139963).

11794981 is a wasteful number, since it uses less digits than its factorization.

11794981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5651.

The product of its digits is 18144, while the sum is 40.

The square root of 11794981 is about 3434.3821860707. The cubic root of 11794981 is about 227.6315288208.

The spelling of 11794981 in words is "eleven million, seven hundred ninety-four thousand, nine hundred eighty-one".