12214516 has 6 divisors (see below), whose sum is σ = 21375410. Its totient is φ = 6107256.

The previous prime is 12214507. The next prime is 12214519. The reversal of 12214516 is 61541221.

12214516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11222500 + 992016 = 3350^2 + 996^2 .

It is a super-2 number, since 2×12214516² = 298388802228512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12214519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1526811 + ... + 1526818.

Almost surely, 2^12214516 is an apocalyptic number.

It is an amenable number.

12214516 is a deficient number, since it is larger than the sum of its proper divisors (9160894).

12214516 is a wasteful number, since it uses less digits than its factorization.

12214516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053633 (or 3053631 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 12214516 is about 3494.9271809295. The cubic root of 12214516 is about 230.2990187702.

Adding to 12214516 its reverse (61541221), we get a palindrome (73755737).

It can be divided in two parts, 1221451 and 6, that multiplied together give a triangular number (7328706 = T₃₈₂₈).

The spelling of 12214516 in words is "twelve million, two hundred fourteen thousand, five hundred sixteen".