1306473356 has 24 divisors (see below), whose sum is σ = 2335933824. Its totient is φ = 639175680.

The previous prime is 1306473353. The next prime is 1306473379. The reversal of 1306473356 is 6533746031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1306473353) 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, 33221 + ... + 60963.

It is an arithmetic number, because the mean of its divisors is an integer number (97330576).

Almost surely, 2^1306473356 is an apocalyptic number.

It is an amenable number.

1306473356 is a deficient number, since it is larger than the sum of its proper divisors (1029460468).

1306473356 is a wasteful number, since it uses less digits than its factorization.

1306473356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28001 (or 27999 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 38.

The square root of 1306473356 is about 36145.1705764408. The cubic root of 1306473356 is about 1093.2014164739.

The spelling of 1306473356 in words is "one billion, three hundred six million, four hundred seventy-three thousand, three hundred fifty-six".