1332345 has 16 divisors (see below), whose sum is σ = 2436480. Its totient is φ = 609024.

The previous prime is 1332343. The next prime is 1332361. The reversal of 1332345 is 5432331.

It is not a de Polignac number, because 1332345 - 2¹ = 1332343 is a prime.

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

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1332343) 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, 6240 + ... + 6449.

It is an arithmetic number, because the mean of its divisors is an integer number (152280).

2^1332345 is an apocalyptic number.

1332345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1332345 is a deficient number, since it is larger than the sum of its proper divisors (1104135).

1332345 is a wasteful number, since it uses less digits than its factorization.

1332345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12704.

The product of its digits is 1080, while the sum is 21.

The square root of 1332345 is about 1154.2724981563. The cubic root of 1332345 is about 110.0370398679.

Adding to 1332345 its reverse (5432331), we get a palindrome (6764676).

The spelling of 1332345 in words is "one million, three hundred thirty-two thousand, three hundred forty-five".