1345924 has 12 divisors (see below), whose sum is σ = 2494044. Its totient is φ = 633344.

The previous prime is 1345921. The next prime is 1345931. The reversal of 1345924 is 4295431.

It can be written as a sum of positive squares in 2 ways, for example, as 1065024 + 280900 = 1032^2 + 530^2 .

It is a super-2 number, since 2×1345924² = 3623022827552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1345892 and 1345901.

It is not an unprimeable number, because it can be changed into a prime (1345921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9829 + ... + 9964.

It is an arithmetic number, because the mean of its divisors is an integer number (207837).

2^1345924 is an apocalyptic number.

It is an amenable number.

1345924 is a deficient number, since it is larger than the sum of its proper divisors (1148120).

1345924 is a wasteful number, since it uses less digits than its factorization.

1345924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19814 (or 19812 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 1345924 is about 1160.1396467667. The cubic root of 1345924 is about 110.4096023644.

Adding to 1345924 its product of digits (4320), we get a square (1350244 = 1162²).

The spelling of 1345924 in words is "one million, three hundred forty-five thousand, nine hundred twenty-four".