1341820 has 24 divisors (see below), whose sum is σ = 2941344. Its totient is φ = 513216.

The previous prime is 1341787. The next prime is 1341839. The reversal of 1341820 is 281431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999 + ... + 1918.

It is an arithmetic number, because the mean of its divisors is an integer number (122556).

2^1341820 is an apocalyptic number.

1341820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1341820 is an abundant number, since it is smaller than the sum of its proper divisors (1599524).

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

1341820 is a wasteful number, since it uses less digits than its factorization.

1341820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949 (or 2947 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1341820 is about 1158.3695437985. The cubic root of 1341820 is about 110.2972675562.

The spelling of 1341820 in words is "one million, three hundred forty-one thousand, eight hundred twenty".