12693429 has 40 divisors (see below), whose sum is σ = 22085888. Its totient is φ = 7115040.

The previous prime is 12693413. The next prime is 12693449. The reversal of 12693429 is 92439621.

It is not a de Polignac number, because 12693429 - 2⁴ = 12693413 is a prime.

It is a super-2 number, since 2×12693429² = 322246279556082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12693393 and 12693402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12693449) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 34404 + ... + 34770.

Almost surely, 2^12693429 is an apocalyptic number.

It is an amenable number.

12693429 is a deficient number, since it is larger than the sum of its proper divisors (9392459).

12693429 is an equidigital number, since it uses as much as digits as its factorization.

12693429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 438 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 12693429 is about 3562.7838834260. The cubic root of 12693429 is about 233.2704100170.

The spelling of 12693429 in words is "twelve million, six hundred ninety-three thousand, four hundred twenty-nine".