12161416 has 16 divisors (see below), whose sum is σ = 23025600. Its totient is φ = 6021264.

The previous prime is 12161351. The next prime is 12161417. The reversal of 12161416 is 61416121.

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

It is not an unprimeable number, because it can be changed into a prime (12161417) 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, 6556 + ... + 8203.

It is an arithmetic number, because the mean of its divisors is an integer number (1439100).

Almost surely, 2^12161416 is an apocalyptic number.

It is an amenable number.

12161416 is a deficient number, since it is larger than the sum of its proper divisors (10864184).

12161416 is a wasteful number, since it uses less digits than its factorization.

12161416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14868 (or 14864 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 12161416 is about 3487.3221818467. The cubic root of 12161416 is about 229.9648087305.

Adding to 12161416 its reverse (61416121), we get a palindrome (73577537).

The spelling of 12161416 in words is "twelve million, one hundred sixty-one thousand, four hundred sixteen".