12613266 has 32 divisors (see below), whose sum is σ = 28221120. Its totient is φ = 4175712.

The previous prime is 12613243. The next prime is 12613291. The reversal of 12613266 is 66231621.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8086 + ... + 9518.

It is an arithmetic number, because the mean of its divisors is an integer number (881910).

Almost surely, 2^12613266 is an apocalyptic number.

12613266 is an abundant number, since it is smaller than the sum of its proper divisors (15607854).

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

12613266 is a wasteful number, since it uses less digits than its factorization.

12613266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607 (or 1601 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 12613266 is about 3551.5160143240. The cubic root of 12613266 is about 232.7783139540.

Adding to 12613266 its reverse (66231621), we get a palindrome (78844887).

It can be divided in two parts, 12 and 613266, that added together give a triangular number (613278 = T₁₁₀₇).

The spelling of 12613266 in words is "twelve million, six hundred thirteen thousand, two hundred sixty-six".