1345678 has 8 divisors (see below), whose sum is σ = 2023560. Its totient is φ = 671160.

The previous prime is 1345667. The next prime is 1345691. The reversal of 1345678 is 8765431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 10 and 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, 808 + ... + 1828.

It is an arithmetic number, because the mean of its divisors is an integer number (252945).

2^1345678 is an apocalyptic number.

1345678 is a deficient number, since it is larger than the sum of its proper divisors (677882).

1345678 is a wasteful number, since it uses less digits than its factorization.

1345678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682.

The product of its digits is 20160, while the sum is 34.

The square root of 1345678 is about 1160.0336202024. The cubic root of 1345678 is about 110.4028752839.

The spelling of 1345678 in words is "one million, three hundred forty-five thousand, six hundred seventy-eight".