1312384073 has 32 divisors (see below), whose sum is σ = 1791052032. Its totient is φ = 928454400.

The previous prime is 1312384061. The next prime is 1312384081. The reversal of 1312384073 is 3704832131.

It is a cyclic number.

It is not a de Polignac number, because 1312384073 - 2²⁴ = 1295606857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312384013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50315 + ... + 71807.

It is an arithmetic number, because the mean of its divisors is an integer number (55970376).

Almost surely, 2^1312384073 is an apocalyptic number.

1312384073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1312384073 is a deficient number, since it is larger than the sum of its proper divisors (478667959).

1312384073 is a wasteful number, since it uses less digits than its factorization.

1312384073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21585.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1312384073 is about 36226.8418855412. The cubic root of 1312384073 is about 1094.8475488155.

The spelling of 1312384073 in words is "one billion, three hundred twelve million, three hundred eighty-four thousand, seventy-three".