12926216 has 8 divisors (see below), whose sum is σ = 24236670. Its totient is φ = 6463104.

The previous prime is 12926203. The next prime is 12926219. The reversal of 12926216 is 61262921.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9278116 + 3648100 = 3046^2 + 1910^2 .

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

It is a super-3 number, since 3×12926216³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12926219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 807881 + ... + 807896.

Almost surely, 2^12926216 is an apocalyptic number.

It is an amenable number.

12926216 is a deficient number, since it is larger than the sum of its proper divisors (11310454).

12926216 is a wasteful number, since it uses less digits than its factorization.

12926216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615783 (or 1615779 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 12926216 is about 3595.3047158760. The cubic root of 12926216 is about 234.6877760940.

The spelling of 12926216 in words is "twelve million, nine hundred twenty-six thousand, two hundred sixteen".