1612216 has 16 divisors (see below), whose sum is σ = 3047040. Its totient is φ = 799680.

The previous prime is 1612213. The next prime is 1612223. The reversal of 1612216 is 6122161.

It is a junction number, because it is equal to n+sod(n) for n = 1612193 and 1612202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612211) 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, 361 + ... + 1831.

It is an arithmetic number, because the mean of its divisors is an integer number (190440).

2^1612216 is an apocalyptic number.

It is an amenable number.

1612216 is a deficient number, since it is larger than the sum of its proper divisors (1434824).

1612216 is a wasteful number, since it uses less digits than its factorization.

1612216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614 (or 1610 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 1612216 is about 1269.7306801050. The cubic root of 1612216 is about 117.2576201739.

Adding to 1612216 its reverse (6122161), we get a palindrome (7734377).

The spelling of 1612216 in words is "one million, six hundred twelve thousand, two hundred sixteen".