1306100 has 36 divisors (see below), whose sum is σ = 2919084. Its totient is φ = 506880.

The previous prime is 1306099. The next prime is 1306103. The reversal of 1306100 is 16031.

It can be written as a sum of positive squares in 6 ways, for example, as 1936 + 1304164 = 44^2 + 1142^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306103) 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, 3524 + ... + 3876.

2^1306100 is an apocalyptic number.

1306100 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 1306100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1459542).

1306100 is an abundant number, since it is smaller than the sum of its proper divisors (1612984).

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

1306100 is a wasteful number, since it uses less digits than its factorization.

1306100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1306100 is about 1142.8473213864. The cubic root of 1306100 is about 109.3097270405.

The spelling of 1306100 in words is "one million, three hundred six thousand, one hundred".