1306703398 has 32 divisors (see below), whose sum is σ = 2631686400. Its totient is φ = 469942560.

The previous prime is 1306703369. The next prime is 1306703399. The reversal of 1306703398 is 8933076031.

It is a super-3 number, since 3×1306703398³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1306703398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306703399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324348 + ... + 328351.

It is an arithmetic number, because the mean of its divisors is an integer number (82240200).

Almost surely, 2^1306703398 is an apocalyptic number.

1306703398 is an abundant number, since it is smaller than the sum of its proper divisors (1324983002).

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

1306703398 is a wasteful number, since it uses less digits than its factorization.

1306703398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652732.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 1306703398 is about 36148.3526318973. The cubic root of 1306703398 is about 1093.2655758335.

The spelling of 1306703398 in words is "one billion, three hundred six million, seven hundred three thousand, three hundred ninety-eight".