412345 has 4 divisors (see below), whose sum is σ = 494820. Its totient is φ = 329872.

The previous prime is 412343. The next prime is 412387. The reversal of 412345 is 543214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 318096 + 94249 = 564^2 + 307^2 .

It is a cyclic number.

It is not a de Polignac number, because 412345 - 2¹ = 412343 is a prime.

It is an alternating number because its digits alternate between even and odd.

412345 is a lucky number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (412343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41230 + ... + 41239.

It is an arithmetic number, because the mean of its divisors is an integer number (123705).

2⁴¹²³⁴⁵ is an apocalyptic number.

It is an amenable number.

412345 is a deficient number, since it is larger than the sum of its proper divisors (82475).

412345 is an equidigital number, since it uses as much as digits as its factorization.

412345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82474.

The product of its digits is 480, while the sum is 19.

The square root of 412345 is about 642.1409502594. The cubic root of 412345 is about 74.4309526469.

Adding to 412345 its reverse (543214), we get a palindrome (955559).

It can be divided in two parts, 412 and 345, that added together give a palindrome (757).

The spelling of 412345 in words is "four hundred twelve thousand, three hundred forty-five".