12699697 has 8 divisors (see below), whose sum is σ = 13478400. Its totient is φ = 11924544.

The previous prime is 12699689. The next prime is 12699707. The reversal of 12699697 is 79699621.

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 12699697 - 2³ = 12699689 is a prime.

It is a super-2 number, since 2×12699697² = 322564607783618, 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 12699697.

It is not an unprimeable number, because it can be changed into a prime (12699607) 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, 11704 + ... + 12742.

It is an arithmetic number, because the mean of its divisors is an integer number (1684800).

Almost surely, 2^12699697 is an apocalyptic number.

12699697 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12699697 is a deficient number, since it is larger than the sum of its proper divisors (778703).

12699697 is a wasteful number, since it uses less digits than its factorization.

12699697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775.

The product of its digits is 367416, while the sum is 49.

The square root of 12699697 is about 3563.6634240624. The cubic root of 12699697 is about 233.3087999149.

The spelling of 12699697 in words is "twelve million, six hundred ninety-nine thousand, six hundred ninety-seven".