12699473 has 8 divisors (see below), whose sum is σ = 13610688. Its totient is φ = 11818224.

The previous prime is 12699469. The next prime is 12699497. The reversal of 12699473 is 37499621.

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

It is a cyclic number.

It is not a de Polignac number, because 12699473 - 2² = 12699469 is a prime.

It is a super-2 number, since 2×12699473² = 322553228955458, 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 12699473.

It is not an unprimeable number, because it can be changed into a prime (12699403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6611 + ... + 8312.

It is an arithmetic number, because the mean of its divisors is an integer number (1701336).

Almost surely, 2^12699473 is an apocalyptic number.

It is an amenable number.

12699473 is a deficient number, since it is larger than the sum of its proper divisors (911215).

12699473 is a wasteful number, since it uses less digits than its factorization.

12699473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14983.

The product of its digits is 81648, while the sum is 41.

The square root of 12699473 is about 3563.6319955910. The cubic root of 12699473 is about 233.3074281898.

It can be divided in two parts, 126 and 99473, that added together give a palindrome (99599).

The spelling of 12699473 in words is "twelve million, six hundred ninety-nine thousand, four hundred seventy-three".