1381452 has 48 divisors (see below), whose sum is σ = 3480960. Its totient is φ = 425088.

The previous prime is 1381451. The next prime is 1381459. The reversal of 1381452 is 2541831.

It is not an unprimeable number, because it can be changed into a prime (1381451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16603 + ... + 16685.

It is an arithmetic number, because the mean of its divisors is an integer number (72520).

2^1381452 is an apocalyptic number.

1381452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1381452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740480).

1381452 is an abundant number, since it is smaller than the sum of its proper divisors (2099508).

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

1381452 is a wasteful number, since it uses less digits than its factorization.

1381452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 180 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 1381452 is about 1175.3518622098. The cubic root of 1381452 is about 111.3726619116.

The spelling of 1381452 in words is "one million, three hundred eighty-one thousand, four hundred fifty-two".