12946429 has 8 divisors (see below), whose sum is σ = 13860000. Its totient is φ = 12056112.

The previous prime is 12946421. The next prime is 12946459. The reversal of 12946429 is 92464921.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12946429 - 2³ = 12946421 is a prime.

It is a super-2 number, since 2×12946429² = 335220047704082, 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 (12946421) 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, 4654 + ... + 6895.

It is an arithmetic number, because the mean of its divisors is an integer number (1732500).

Almost surely, 2^12946429 is an apocalyptic number.

12946429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12946429 is a deficient number, since it is larger than the sum of its proper divisors (913571).

12946429 is a wasteful number, since it uses less digits than its factorization.

12946429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11627.

The product of its digits is 31104, while the sum is 37.

The square root of 12946429 is about 3598.1146451996. The cubic root of 12946429 is about 234.8100411491.

The spelling of 12946429 in words is "twelve million, nine hundred forty-six thousand, four hundred twenty-nine".