1343660 has 36 divisors (see below), whose sum is σ = 2972928. Its totient is φ = 510048.

The previous prime is 1343653. The next prime is 1343669. The reversal of 1343660 is 663431.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1343669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10517 + ... + 10643.

2^1343660 is an apocalyptic number.

1343660 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 1343660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1486464).

1343660 is an abundant number, since it is smaller than the sum of its proper divisors (1629268).

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

1343660 is a wasteful number, since it uses less digits than its factorization.

1343660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1343660 is about 1159.1634914886. The cubic root of 1343660 is about 110.3476603754.

The spelling of 1343660 in words is "one million, three hundred forty-three thousand, six hundred sixty".