13530429 has 16 divisors (see below), whose sum is σ = 21867840. Its totient is φ = 8200080.

The previous prime is 13530421. The next prime is 13530457. The reversal of 13530429 is 92403531.

It is not a de Polignac number, because 13530429 - 2³ = 13530421 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22482 + ... + 23075.

It is an arithmetic number, because the mean of its divisors is an integer number (1366740).

Almost surely, 2^13530429 is an apocalyptic number.

It is an amenable number.

13530429 is a deficient number, since it is larger than the sum of its proper divisors (8337411).

13530429 is a wasteful number, since it uses less digits than its factorization.

13530429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45577 (or 45571 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 13530429 is about 3678.3731458350. The cubic root of 13530429 is about 238.2889236482.

The spelling of 13530429 in words is "thirteen million, five hundred thirty thousand, four hundred twenty-nine".