1305412432 has 20 divisors (see below), whose sum is σ = 2561254720. Its totient is φ = 644443488.

The previous prime is 1305412411. The next prime is 1305412457. The reversal of 1305412432 is 2342145031.

It is a junction number, because it is equal to n+sod(n) for n = 1305412397 and 1305412406.

It is a congruent 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, 515118 + ... + 517645.

It is an arithmetic number, because the mean of its divisors is an integer number (128062736).

Almost surely, 2^1305412432 is an apocalyptic number.

It is an amenable number.

1305412432 is a deficient number, since it is larger than the sum of its proper divisors (1255842288).

1305412432 is a wasteful number, since it uses less digits than its factorization.

1305412432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032850 (or 1032844 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1305412432 is about 36130.4917209827. The cubic root of 1305412432 is about 1092.9054242910.

Adding to 1305412432 its reverse (2342145031), we get a palindrome (3647557463).

The spelling of 1305412432 in words is "one billion, three hundred five million, four hundred twelve thousand, four hundred thirty-two".