780412 has 6 divisors (see below), whose sum is σ = 1365728. Its totient is φ = 390204.

The previous prime is 780401. The next prime is 780421. The reversal of 780412 is 214087.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97548 + ... + 97555.

2⁷⁸⁰⁴¹² is an apocalyptic number.

It is an amenable number.

780412 is a deficient number, since it is larger than the sum of its proper divisors (585316).

780412 is a wasteful number, since it uses less digits than its factorization.

780412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195107 (or 195105 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 780412 is about 883.4093049091. The cubic root of 780412 is about 92.0678453553.

Adding to 780412 its reverse (214087), we get a palindrome (994499).

The spelling of 780412 in words is "seven hundred eighty thousand, four hundred twelve".