13125429 has 16 divisors (see below), whose sum is σ = 20116800. Its totient is φ = 8448048.

The previous prime is 13125421. The next prime is 13125439. The reversal of 13125429 is 92452131.

It is not a de Polignac number, because 13125429 - 2³ = 13125421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125421) 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 15 ways as a sum of consecutive naturals, for example, 7599 + ... + 9164.

It is an arithmetic number, because the mean of its divisors is an integer number (1257300).

Almost surely, 2^13125429 is an apocalyptic number.

It is an amenable number.

13125429 is a deficient number, since it is larger than the sum of its proper divisors (6991371).

13125429 is a wasteful number, since it uses less digits than its factorization.

13125429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16801 (or 16795 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 13125429 is about 3622.9033936885. The cubic root of 13125429 is about 235.8872690078.

The spelling of 13125429 in words is "thirteen million, one hundred twenty-five thousand, four hundred twenty-nine".