12678662 has 16 divisors (see below), whose sum is σ = 20209200. Its totient is φ = 5948640.

The previous prime is 12678661. The next prime is 12678671. The reversal of 12678662 is 26687621.

It is a happy number.

It is a super-2 number, since 2×12678662² = 321496940220488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12678661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2612 + ... + 5672.

It is an arithmetic number, because the mean of its divisors is an integer number (1263075).

Almost surely, 2^12678662 is an apocalyptic number.

12678662 is a deficient number, since it is larger than the sum of its proper divisors (7530538).

12678662 is a wasteful number, since it uses less digits than its factorization.

12678662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191.

The product of its digits is 48384, while the sum is 38.

The square root of 12678662 is about 3560.7108840792. The cubic root of 12678662 is about 233.1799159297.

The spelling of 12678662 in words is "twelve million, six hundred seventy-eight thousand, six hundred sixty-two".