12696629 has 4 divisors (see below), whose sum is σ = 13850880. Its totient is φ = 11542380.

The previous prime is 12696611. The next prime is 12696631. The reversal of 12696629 is 92669621.

12696629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12696629 is a prime.

It is a super-2 number, since 2×12696629² = 322408775927282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12696659) 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, 577109 + ... + 577130.

It is an arithmetic number, because the mean of its divisors is an integer number (3462720).

Almost surely, 2^12696629 is an apocalyptic number.

It is an amenable number.

12696629 is a deficient number, since it is larger than the sum of its proper divisors (1154251).

12696629 is a wasteful number, since it uses less digits than its factorization.

12696629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154250.

The product of its digits is 69984, while the sum is 41.

The square root of 12696629 is about 3563.2329421468. The cubic root of 12696629 is about 233.2900107777.

The spelling of 12696629 in words is "twelve million, six hundred ninety-six thousand, six hundred twenty-nine".