13670429 has 4 divisors (see below), whose sum is σ = 13694076. Its totient is φ = 13646784.

The previous prime is 13670417. The next prime is 13670497. The reversal of 13670429 is 92407631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92407631 = 17 ⋅5435743.

It can be written as a sum of positive squares in 2 ways, for example, as 9467929 + 4202500 = 3077^2 + 2050^2 .

It is a cyclic number.

It is not a de Polignac number, because 13670429 - 2⁴ = 13670413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13670395 and 13670404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13672429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10934 + ... + 12119.

It is an arithmetic number, because the mean of its divisors is an integer number (3423519).

Almost surely, 2^13670429 is an apocalyptic number.

It is an amenable number.

13670429 is a deficient number, since it is larger than the sum of its proper divisors (23647).

13670429 is an equidigital number, since it uses as much as digits as its factorization.

13670429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23646.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 13670429 is about 3697.3543243784. The cubic root of 13670429 is about 239.1079675349.

The spelling of 13670429 in words is "thirteen million, six hundred seventy thousand, four hundred twenty-nine".