1332605 has 4 divisors (see below), whose sum is σ = 1599132. Its totient is φ = 1066080.

The previous prime is 1332589. The next prime is 1332631. The reversal of 1332605 is 5062331.

1332605 = T₄₁₄ + T₄₁₅ + ... + T₄₂₈.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 988036 + 344569 = 994^2 + 587^2 .

It is not a de Polignac number, because 1332605 - 2⁴ = 1332589 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133256 + ... + 133265.

It is an arithmetic number, because the mean of its divisors is an integer number (399783).

2^1332605 is an apocalyptic number.

It is an amenable number.

1332605 is a deficient number, since it is larger than the sum of its proper divisors (266527).

1332605 is an equidigital number, since it uses as much as digits as its factorization.

1332605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266526.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1332605 is about 1154.3851177142. The cubic root of 1332605 is about 110.0441971156.

Adding to 1332605 its reverse (5062331), we get a palindrome (6394936).

The spelling of 1332605 in words is "one million, three hundred thirty-two thousand, six hundred five".