1345800 has 48 divisors (see below), whose sum is σ = 4173840. Its totient is φ = 358720.

The previous prime is 1345787. The next prime is 1345811. The reversal of 1345800 is 85431.

It is a super-2 number, since 2×1345800² = 3622355280000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 522 + ... + 1721.

It is an arithmetic number, because the mean of its divisors is an integer number (86955).

2^1345800 is an apocalyptic number.

1345800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345800 is an abundant number, since it is smaller than the sum of its proper divisors (2828040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345800 is a wasteful number, since it uses less digits than its factorization.

1345800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1345800 is about 1160.0862036935. The cubic root of 1345800 is about 110.4062115808.

It can be divided in two parts, 1345 and 800, that added together give a triangular number (2145 = T₆₅).

The spelling of 1345800 in words is "one million, three hundred forty-five thousand, eight hundred".