1345598 has 4 divisors (see below), whose sum is σ = 2018400. Its totient is φ = 672798.

The previous prime is 1345583. The next prime is 1345621. The reversal of 1345598 is 8955431.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336398 + ... + 336401.

It is an arithmetic number, because the mean of its divisors is an integer number (504600).

2^1345598 is an apocalyptic number.

1345598 is a deficient number, since it is larger than the sum of its proper divisors (672802).

1345598 is an equidigital number, since it uses as much as digits as its factorization.

1345598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672801.

The product of its digits is 21600, while the sum is 35.

The square root of 1345598 is about 1159.9991379307. Note that the first 3 decimals coincide. The cubic root of 1345598 is about 110.4006874388.

The spelling of 1345598 in words is "one million, three hundred forty-five thousand, five hundred ninety-eight".