12690476 has 12 divisors (see below), whose sum is σ = 22239672. Its totient is φ = 6336288.

The previous prime is 12690473. The next prime is 12690511. The reversal of 12690476 is 67409621.

It is a super-2 number, since 2×12690476² = 322096362213152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12690473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1736 + ... + 5328.

It is an arithmetic number, because the mean of its divisors is an integer number (1853306).

Almost surely, 2^12690476 is an apocalyptic number.

It is an amenable number.

12690476 is a deficient number, since it is larger than the sum of its proper divisors (9549196).

12690476 is a wasteful number, since it uses less digits than its factorization.

12690476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480 (or 4478 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 12690476 is about 3562.3694362039. The cubic root of 12690476 is about 233.2523192672.

The spelling of 12690476 in words is "twelve million, six hundred ninety thousand, four hundred seventy-six".