12969629 has 4 divisors (see below), whose sum is σ = 12976860. Its totient is φ = 12962400.

The previous prime is 12969611. The next prime is 12969661. The reversal of 12969629 is 92696921.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92696921 = 757 ⋅122453.

It can be written as a sum of positive squares in 2 ways, for example, as 2244004 + 10725625 = 1498^2 + 3275^2 .

It is a cyclic number.

It is not a de Polignac number, because 12969629 - 2⁸ = 12969373 is a prime.

It is a super-2 number, since 2×12969629² = 336422552795282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12969629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12969679) 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, 1337 + ... + 5265.

It is an arithmetic number, because the mean of its divisors is an integer number (3244215).

Almost surely, 2^12969629 is an apocalyptic number.

It is an amenable number.

12969629 is a deficient number, since it is larger than the sum of its proper divisors (7231).

12969629 is an equidigital number, since it uses as much as digits as its factorization.

12969629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7230.

The product of its digits is 104976, while the sum is 44.

The square root of 12969629 is about 3601.3371127957. The cubic root of 12969629 is about 234.9502173105.

The spelling of 12969629 in words is "twelve million, nine hundred sixty-nine thousand, six hundred twenty-nine".