1214406 has 32 divisors (see below), whose sum is σ = 2766720. Its totient is φ = 394632.

The previous prime is 1214401. The next prime is 1214407. The reversal of 1214406 is 6044121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2061 + ... + 2583.

It is an arithmetic number, because the mean of its divisors is an integer number (86460).

2^1214406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1383360).

1214406 is an abundant number, since it is smaller than the sum of its proper divisors (1552314).

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

1214406 is a wasteful number, since it uses less digits than its factorization.

1214406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1214406 is about 1102.0009074406. Note that the first 3 decimals coincide. The cubic root of 1214406 is about 106.6894070440.

Adding to 1214406 its reverse (6044121), we get a palindrome (7258527).

The spelling of 1214406 in words is "one million, two hundred fourteen thousand, four hundred six".