1330681372 has 24 divisors (see below), whose sum is σ = 2393404160. Its totient is φ = 647103600.

The previous prime is 1330681367. The next prime is 1330681379. The reversal of 1330681372 is 2731860331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330681379) 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, 10254 + ... + 52597.

Almost surely, 2^1330681372 is an apocalyptic number.

It is an amenable number.

1330681372 is a deficient number, since it is larger than the sum of its proper divisors (1062722788).

1330681372 is a wasteful number, since it uses less digits than its factorization.

1330681372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63001 (or 62999 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1330681372 is about 36478.5056163215. The cubic root of 1330681372 is about 1099.9122166863.

The spelling of 1330681372 in words is "one billion, three hundred thirty million, six hundred eighty-one thousand, three hundred seventy-two".