1296380232 has 48 divisors (see below), whose sum is σ = 4012607040. Its totient is φ = 370394208.

The previous prime is 1296380207. The next prime is 1296380249. The reversal of 1296380232 is 2320836921.

1296380232 is a `hidden beast` number, since 12 + 9 + 638 + 0 + 2 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1285588 + ... + 1286595.

It is an arithmetic number, because the mean of its divisors is an integer number (83595980).

Almost surely, 2^1296380232 is an apocalyptic number.

1296380232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1296380232 is an abundant number, since it is smaller than the sum of its proper divisors (2716226808).

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

1296380232 is a wasteful number, since it uses less digits than its factorization.

1296380232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572202 (or 2572195 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1296380232 is about 36005.2806127101. The cubic root of 1296380232 is about 1090.3789698718.

The spelling of 1296380232 in words is "one billion, two hundred ninety-six million, three hundred eighty thousand, two hundred thirty-two".