11381877 has 28 divisors (see below), whose sum is σ = 18393004. Its totient is φ = 6998400.

The previous prime is 11381869. The next prime is 11381879. The reversal of 11381877 is 77818311.

It can be written as a sum of positive squares in 2 ways, for example, as 531441 + 10850436 = 729^2 + 3294^2 .

It is not a de Polignac number, because 11381877 - 2³ = 11381869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11381879) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 8877 + ... + 10077.

It is an arithmetic number, because the mean of its divisors is an integer number (656893).

Almost surely, 2^11381877 is an apocalyptic number.

It is an amenable number.

11381877 is a deficient number, since it is larger than the sum of its proper divisors (7011127).

11381877 is an equidigital number, since it uses as much as digits as its factorization.

11381877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232 (or 1217 counting only the distinct ones).

The product of its digits is 9408, while the sum is 36.

The square root of 11381877 is about 3373.7037510724. The cubic root of 11381877 is about 224.9423852481.

The spelling of 11381877 in words is "eleven million, three hundred eighty-one thousand, eight hundred seventy-seven".