12953429 has 4 divisors (see below), whose sum is σ = 13021440. Its totient is φ = 12885420.

The previous prime is 12953419. The next prime is 12953431. The reversal of 12953429 is 92435921.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92435921 = 113 ⋅818017.

It is a cyclic number.

It is not a de Polignac number, because 12953429 - 2⁸ = 12953173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12953419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33719 + ... + 34100.

It is an arithmetic number, because the mean of its divisors is an integer number (3255360).

Almost surely, 2^12953429 is an apocalyptic number.

It is an amenable number.

12953429 is a deficient number, since it is larger than the sum of its proper divisors (68011).

12953429 is an equidigital number, since it uses as much as digits as its factorization.

12953429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68010.

The product of its digits is 19440, while the sum is 35.

The square root of 12953429 is about 3599.0872453999. The cubic root of 12953429 is about 234.8523533094.

The spelling of 12953429 in words is "twelve million, nine hundred fifty-three thousand, four hundred twenty-nine".