12699369 has 8 divisors (see below), whose sum is σ = 18813920. Its totient is φ = 8466228.

The previous prime is 12699359. The next prime is 12699371. The reversal of 12699369 is 96399621.

It is a happy number.

12699369 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12699369 - 2¹⁵ = 12666601 is a prime.

It is a super-2 number, since 2×12699369² = 322547945996322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12699359) 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, 235147 + ... + 235200.

It is an arithmetic number, because the mean of its divisors is an integer number (2351740).

Almost surely, 2^12699369 is an apocalyptic number.

It is an amenable number.

12699369 is a deficient number, since it is larger than the sum of its proper divisors (6114551).

12699369 is an equidigital number, since it uses as much as digits as its factorization.

12699369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470356 (or 470350 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 12699369 is about 3563.6174037065. The cubic root of 12699369 is about 233.3067913120.

The spelling of 12699369 in words is "twelve million, six hundred ninety-nine thousand, three hundred sixty-nine".