1345400 has 72 divisors (see below), whose sum is σ = 3693960. Its totient is φ = 446400.

The previous prime is 1345361. The next prime is 1345423. The reversal of 1345400 is 45431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 43385 + ... + 43415.

It is an arithmetic number, because the mean of its divisors is an integer number (51305).

2^1345400 is an apocalyptic number.

1345400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1846980).

1345400 is an abundant number, since it is smaller than the sum of its proper divisors (2348560).

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

1345400 is a wasteful number, since it uses less digits than its factorization.

1345400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1345400 is about 1159.9137898999. The cubic root of 1345400 is about 110.3952721493.

The spelling of 1345400 in words is "one million, three hundred forty-five thousand, four hundred".