1381332 has 24 divisors (see below), whose sum is σ = 3299296. Its totient is φ = 449568.

The previous prime is 1381327. The next prime is 1381337. The reversal of 1381332 is 2331831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1381327) and next prime (1381337).

It is a junction number, because it is equal to n+sod(n) for n = 1381299 and 1381308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823 + ... + 1854.

2^1381332 is an apocalyptic number.

1381332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1381332 is an abundant number, since it is smaller than the sum of its proper divisors (1917964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1381332 is a wasteful number, since it uses less digits than its factorization.

1381332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727 (or 2725 counting only the distinct ones).

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

The square root of 1381332 is about 1175.3008125582. The cubic root of 1381332 is about 111.3694370182.

The spelling of 1381332 in words is "one million, three hundred eighty-one thousand, three hundred thirty-two".