1343100 has 108 divisors (see below), whose sum is σ = 4386872. Its totient is φ = 316800.

The previous prime is 1343081. The next prime is 1343113. The reversal of 1343100 is 13431.

It is a super-2 number, since 2×1343100² = 3607835220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36282 + ... + 36318.

2^1343100 is an apocalyptic number.

1343100 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 1343100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2193436).

1343100 is an abundant number, since it is smaller than the sum of its proper divisors (3043772).

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

1343100 is a wasteful number, since it uses less digits than its factorization.

1343100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1343100 is about 1158.9219128138. The cubic root of 1343100 is about 110.3323283031.

Adding to 1343100 its reverse (13431), we get a palindrome (1356531).

Multiplying 1343100 by its reverse (13431), we get a square (18039176100 = 134310²).

1343100 divided by its reverse (13431) gives a square (100 = 10²).

The spelling of 1343100 in words is "one million, three hundred forty-three thousand, one hundred".