11674981 has 2 divisors, whose sum is σ = 11674982. Its totient is φ = 11674980.

The previous prime is 11674969. The next prime is 11674997. The reversal of 11674981 is 18947611.

11674981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10692900 + 982081 = 3270^2 + 991^2 .

It is an emirp because it is prime and its reverse (18947611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11674981 - 2⁷ = 11674853 is a prime.

It is a super-2 number, since 2×11674981² = 272610362700722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11674981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11674081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5837490 + 5837491.

It is an arithmetic number, because the mean of its divisors is an integer number (5837491).

Almost surely, 2^11674981 is an apocalyptic number.

It is an amenable number.

11674981 is a deficient number, since it is larger than the sum of its proper divisors (1).

11674981 is an equidigital number, since it uses as much as digits as its factorization.

11674981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 37.

The square root of 11674981 is about 3416.8671323304. The cubic root of 11674981 is about 226.8569353475.

The spelling of 11674981 in words is "eleven million, six hundred seventy-four thousand, nine hundred eighty-one".