132447 has 24 divisors (see below), whose sum is σ = 221616. Its totient is φ = 69888.

The previous prime is 132439. The next prime is 132469. The reversal of 132447 is 744231.

132447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 132447 - 2³ = 132439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a d-powerful number, because it can be written as 1 + 3 + 4 + 2¹⁷ + 4⁵ + 7³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2473 + ... + 2525.

It is an arithmetic number, because the mean of its divisors is an integer number (9234).

2¹³²⁴⁴⁷ is an apocalyptic number.

132447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

132447 is a deficient number, since it is larger than the sum of its proper divisors (89169).

132447 is a wasteful number, since it uses less digits than its factorization.

132447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 80 counting only the distinct ones).

The product of its digits is 672, while the sum is 21.

The square root of 132447 is about 363.9326860836. The cubic root of 132447 is about 50.9738427958.

Adding to 132447 its reverse (744231), we get a palindrome (876678).

The spelling of 132447 in words is "one hundred thirty-two thousand, four hundred forty-seven".