11876381 has 4 divisors (see below), whose sum is σ = 12956064. Its totient is φ = 10796700.

The previous prime is 11876377. The next prime is 11876407. The reversal of 11876381 is 18367811.

11876381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11876381 - 2² = 11876377 is a prime.

It is a super-2 number, since 2×11876381² = 282096851314322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11876321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539825 + ... + 539846.

It is an arithmetic number, because the mean of its divisors is an integer number (3239016).

Almost surely, 2^11876381 is an apocalyptic number.

11876381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11876381 is a deficient number, since it is larger than the sum of its proper divisors (1079683).

11876381 is a wasteful number, since it uses less digits than its factorization.

11876381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079682.

The product of its digits is 8064, while the sum is 35.

The square root of 11876381 is about 3446.2125587375. The cubic root of 11876381 is about 228.1539754526.

The spelling of 11876381 in words is "eleven million, eight hundred seventy-six thousand, three hundred eighty-one".