10812381 has 4 divisors (see below), whose sum is σ = 14416512. Its totient is φ = 7208252.

The previous prime is 10812341. The next prime is 10812401. The reversal of 10812381 is 18321801.

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 10812381 - 2⁶ = 10812317 is a prime.

It is a super-2 number, since 2×10812381² = 233815165778322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10812341) 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, 1802061 + ... + 1802066.

It is an arithmetic number, because the mean of its divisors is an integer number (3604128).

Almost surely, 2^10812381 is an apocalyptic number.

It is an amenable number.

10812381 is a deficient number, since it is larger than the sum of its proper divisors (3604131).

10812381 is an equidigital number, since it uses as much as digits as its factorization.

10812381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604130.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 10812381 is about 3288.2185146368. The cubic root of 10812381 is about 221.1263243173.

The spelling of 10812381 in words is "ten million, eight hundred twelve thousand, three hundred eighty-one".