12266738 has 24 divisors (see below), whose sum is σ = 20411244. Its totient is φ = 5524640.

The previous prime is 12266729. The next prime is 12266747. The reversal of 12266738 is 83766221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12266729) and next prime (12266747).

It can be written as a sum of positive squares in 2 ways, for example, as 9284209 + 2982529 = 3047^2 + 1727^2 .

It is a super-2 number, since 2×12266738² = 300945722321288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12266698 and 12266707.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41720 + ... + 42012.

Almost surely, 2^12266738 is an apocalyptic number.

12266738 is a deficient number, since it is larger than the sum of its proper divisors (8144506).

12266738 is a wasteful number, since it uses less digits than its factorization.

12266738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 479 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 12266738 is about 3502.3903266198. The cubic root of 12266738 is about 230.6267593132.

The spelling of 12266738 in words is "twelve million, two hundred sixty-six thousand, seven hundred thirty-eight".