11377813 has 2 divisors, whose sum is σ = 11377814. Its totient is φ = 11377812.

The previous prime is 11377763. The next prime is 11377819. The reversal of 11377813 is 31877311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11168964 + 208849 = 3342^2 + 457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11377813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11377819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5688906 + 5688907.

It is an arithmetic number, because the mean of its divisors is an integer number (5688907).

Almost surely, 2^11377813 is an apocalyptic number.

It is an amenable number.

11377813 is a deficient number, since it is larger than the sum of its proper divisors (1).

11377813 is an equidigital number, since it uses as much as digits as its factorization.

11377813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 31.

The square root of 11377813 is about 3373.1013918944. The cubic root of 11377813 is about 224.9156095040.

The spelling of 11377813 in words is "eleven million, three hundred seventy-seven thousand, eight hundred thirteen".