11407381 has 2 divisors, whose sum is σ = 11407382. Its totient is φ = 11407380.

The previous prime is 11407343. The next prime is 11407423. The reversal of 11407381 is 18370411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11122225 + 285156 = 3335^2 + 534^2 .

It is a cyclic number.

It is not a de Polignac number, because 11407381 - 2⁹ = 11406869 is a prime.

It is a super-2 number, since 2×11407381² = 260256682558322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11407321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5703690 + 5703691.

It is an arithmetic number, because the mean of its divisors is an integer number (5703691).

Almost surely, 2^11407381 is an apocalyptic number.

It is an amenable number.

11407381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11407381 is an equidigital number, since it uses as much as digits as its factorization.

11407381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 11407381 is about 3377.4814581282. The cubic root of 11407381 is about 225.1102735176.

Adding to 11407381 its reverse (18370411), we get a palindrome (29777792).

The spelling of 11407381 in words is "eleven million, four hundred seven thousand, three hundred eighty-one".