1345920 has 64 divisors (see below), whose sum is σ = 4296240. Its totient is φ = 358400.

The previous prime is 1345913. The next prime is 1345921. The reversal of 1345920 is 295431.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1570 + ... + 2270.

2^1345920 is an apocalyptic number.

1345920 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 1345920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2148120).

1345920 is an abundant number, since it is smaller than the sum of its proper divisors (2950320).

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

1345920 is an equidigital number, since it uses as much as digits as its factorization.

1345920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1345920 is about 1160.1379228350. The cubic root of 1345920 is about 110.4094929875.

The spelling of 1345920 in words is "one million, three hundred forty-five thousand, nine hundred twenty".