1306208830 has 16 divisors (see below), whose sum is σ = 2359548144. Its totient is φ = 520623040.

The previous prime is 1306208759. The next prime is 1306208833. The reversal of 1306208830 is 388026031.

It is a junction number, because it is equal to n+sod(n) for n = 1306208792 and 1306208801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306208833) 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, 229612 + ... + 235231.

It is an arithmetic number, because the mean of its divisors is an integer number (147471759).

Almost surely, 2^1306208830 is an apocalyptic number.

1306208830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1306208830 is a deficient number, since it is larger than the sum of its proper divisors (1053339314).

1306208830 is a wasteful number, since it uses less digits than its factorization.

1306208830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465131.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1306208830 is about 36141.5111748250. The cubic root of 1306208830 is about 1093.1276301198.

The spelling of 1306208830 in words is "one billion, three hundred six million, two hundred eight thousand, eight hundred thirty".