11374681 has 2 divisors, whose sum is σ = 11374682. Its totient is φ = 11374680.

The previous prime is 11374663. The next prime is 11374691. The reversal of 11374681 is 18647311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 2374681 = 3000^2 + 1541^2 .

It is an emirp because it is prime and its reverse (18647311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11374681 - 2¹⁹ = 10850393 is a prime.

It is a super-2 number, since 2×11374681² = 258766735703522, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (11374621) 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, 5687340 + 5687341.

It is an arithmetic number, because the mean of its divisors is an integer number (5687341).

Almost surely, 2^11374681 is an apocalyptic number.

It is an amenable number.

11374681 is a deficient number, since it is larger than the sum of its proper divisors (1).

11374681 is an equidigital number, since it uses as much as digits as its factorization.

11374681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 31.

The square root of 11374681 is about 3372.6370987700. The cubic root of 11374681 is about 224.8949699096.

The spelling of 11374681 in words is "eleven million, three hundred seventy-four thousand, six hundred eighty-one".