1332381 has 4 divisors (see below), whose sum is σ = 1776512. Its totient is φ = 888252.

The previous prime is 1332379. The next prime is 1332389. The reversal of 1332381 is 1832331.

It is a happy number.

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 not a de Polignac number, because 1332381 - 2¹ = 1332379 is a prime.

It is a super-2 number, since 2×1332381² = 3550478258322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332389) 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, 222061 + ... + 222066.

It is an arithmetic number, because the mean of its divisors is an integer number (444128).

2^1332381 is an apocalyptic number.

It is an amenable number.

1332381 is a deficient number, since it is larger than the sum of its proper divisors (444131).

1332381 is an equidigital number, since it uses as much as digits as its factorization.

1332381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444130.

The product of its digits is 432, while the sum is 21.

The square root of 1332381 is about 1154.2880922889. The cubic root of 1332381 is about 110.0380309270.

The spelling of 1332381 in words is "one million, three hundred thirty-two thousand, three hundred eighty-one".