12772429 has 8 divisors (see below), whose sum is σ = 13420800. Its totient is φ = 12131856.

The previous prime is 12772393. The next prime is 12772433. The reversal of 12772429 is 92427721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12772429 - 2¹⁷ = 12641357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12772394 and 12772403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12772489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1564 + ... + 5290.

It is an arithmetic number, because the mean of its divisors is an integer number (1677600).

Almost surely, 2^12772429 is an apocalyptic number.

It is an amenable number.

12772429 is a deficient number, since it is larger than the sum of its proper divisors (648371).

12772429 is a wasteful number, since it uses less digits than its factorization.

12772429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899.

The product of its digits is 14112, while the sum is 34.

The square root of 12772429 is about 3573.8535224600. The cubic root of 12772429 is about 233.7533439616.

The spelling of 12772429 in words is "twelve million, seven hundred seventy-two thousand, four hundred twenty-nine".