1205412 has 24 divisors (see below), whose sum is σ = 3029376. Its totient is φ = 370848.

The previous prime is 1205411. The next prime is 1205437. The reversal of 1205412 is 2145021.

It is a junction number, because it is equal to n+sod(n) for n = 1205391 and 1205400.

It is not an unprimeable number, because it can be changed into a prime (1205411) 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, 3708 + ... + 4019.

It is an arithmetic number, because the mean of its divisors is an integer number (126224).

2^1205412 is an apocalyptic number.

1205412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1205412 is an abundant number, since it is smaller than the sum of its proper divisors (1823964).

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

1205412 is a wasteful number, since it uses less digits than its factorization.

1205412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7747 (or 7745 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1205412 is about 1097.9125648247. The cubic root of 1205412 is about 106.4253703611.

The spelling of 1205412 in words is "one million, two hundred five thousand, four hundred twelve".