1345240 has 48 divisors (see below), whose sum is σ = 3294000. Its totient is φ = 494208.

The previous prime is 1345231. The next prime is 1345241. The reversal of 1345240 is 425431.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6661 + ... + 6859.

It is an arithmetic number, because the mean of its divisors is an integer number (68625).

2^1345240 is an apocalyptic number.

1345240 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 1345240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1647000).

1345240 is an abundant number, since it is smaller than the sum of its proper divisors (1948760).

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

1345240 is a wasteful number, since it uses less digits than its factorization.

1345240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1345240 is about 1159.8448172062. The cubic root of 1345240 is about 110.3908957696.

The spelling of 1345240 in words is "one million, three hundred forty-five thousand, two hundred forty".