1345886 has 4 divisors (see below), whose sum is σ = 2018832. Its totient is φ = 672942.

The previous prime is 1345879. The next prime is 1345889. The reversal of 1345886 is 6885431.

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

It is a super-2 number, since 2×1345886² = 3622818249992, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336470 + ... + 336473.

It is an arithmetic number, because the mean of its divisors is an integer number (504708).

2^1345886 is an apocalyptic number.

1345886 is a deficient number, since it is larger than the sum of its proper divisors (672946).

1345886 is an equidigital number, since it uses as much as digits as its factorization.

1345886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672945.

The product of its digits is 23040, while the sum is 35.

The square root of 1345886 is about 1160.1232693124. The cubic root of 1345886 is about 110.4085632754.

The spelling of 1345886 in words is "one million, three hundred forty-five thousand, eight hundred eighty-six".