12290616 has 80 divisors (see below), whose sum is σ = 37098600. Its totient is φ = 3779136.

The previous prime is 12290573. The next prime is 12290617. The reversal of 12290616 is 61609221.

12290616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12290616³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 12290616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12290617) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7695 + ... + 9153.

Almost surely, 2^12290616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12290616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18549300).

12290616 is an abundant number, since it is smaller than the sum of its proper divisors (24807984).

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

12290616 is a wasteful number, since it uses less digits than its factorization.

12290616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490 (or 1477 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 12290616 is about 3505.7974841682. The cubic root of 12290616 is about 230.7763056293.

Adding to 12290616 its reverse (61609221), we get a palindrome (73899837).

The spelling of 12290616 in words is "twelve million, two hundred ninety thousand, six hundred sixteen".