12406616 has 8 divisors (see below), whose sum is σ = 23262420. Its totient is φ = 6203304.

The previous prime is 12406561. The next prime is 12406621. The reversal of 12406616 is 61660421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775406 + ... + 775421.

Almost surely, 2^12406616 is an apocalyptic number.

It is an amenable number.

12406616 is a deficient number, since it is larger than the sum of its proper divisors (10855804).

12406616 is a wasteful number, since it uses less digits than its factorization.

12406616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550833 (or 1550829 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 12406616 is about 3522.3026559340. The cubic root of 12406616 is about 231.5000629755.

The spelling of 12406616 in words is "twelve million, four hundred six thousand, six hundred sixteen".