1306403404 has 12 divisors (see below), whose sum is σ = 2385606384. Its totient is φ = 624801584.

The previous prime is 1306403383. The next prime is 1306403411. The reversal of 1306403404 is 4043046031.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7099927 + ... + 7100110.

It is an arithmetic number, because the mean of its divisors is an integer number (198800532).

Almost surely, 2^1306403404 is an apocalyptic number.

It is an amenable number.

1306403404 is a deficient number, since it is larger than the sum of its proper divisors (1079202980).

1306403404 is a wasteful number, since it uses less digits than its factorization.

1306403404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14200064 (or 14200062 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1306403404 is about 36144.2029100103. The cubic root of 1306403404 is about 1093.1819051715.

Adding to 1306403404 its reverse (4043046031), we get a palindrome (5349449435).

The spelling of 1306403404 in words is "one billion, three hundred six million, four hundred three thousand, four hundred four".