12669481 has 8 divisors (see below), whose sum is σ = 14422464. Its totient is φ = 11016720.

The previous prime is 12669473. The next prime is 12669487. The reversal of 12669481 is 18496621.

It is a happy number.

12669481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12669481 - 2³ = 12669473 is a prime.

It is a super-2 number, since 2×12669481² = 321031497618722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12669481.

It is not an unprimeable number, because it can be changed into a prime (12669487) 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, 24786 + ... + 25291.

It is an arithmetic number, because the mean of its divisors is an integer number (1802808).

Almost surely, 2^12669481 is an apocalyptic number.

12669481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12669481 is a deficient number, since it is larger than the sum of its proper divisors (1752983).

12669481 is a wasteful number, since it uses less digits than its factorization.

12669481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50111.

The product of its digits is 20736, while the sum is 37.

The square root of 12669481 is about 3559.4214417515. The cubic root of 12669481 is about 233.1236181447.

The spelling of 12669481 in words is "twelve million, six hundred sixty-nine thousand, four hundred eighty-one".