13601229 has 4 divisors (see below), whose sum is σ = 18134976. Its totient is φ = 9067484.

The previous prime is 13601227. The next prime is 13601239. The reversal of 13601229 is 92210631.

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.

It is a cyclic number.

It is not a de Polignac number, because 13601229 - 2¹ = 13601227 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13601199 and 13601208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13601221) 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, 2266869 + ... + 2266874.

It is an arithmetic number, because the mean of its divisors is an integer number (4533744).

Almost surely, 2^13601229 is an apocalyptic number.

It is an amenable number.

13601229 is a deficient number, since it is larger than the sum of its proper divisors (4533747).

13601229 is an equidigital number, since it uses as much as digits as its factorization.

13601229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4533746.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 13601229 is about 3687.9844088608. The cubic root of 13601229 is about 238.7038283201.

The spelling of 13601229 in words is "thirteen million, six hundred one thousand, two hundred twenty-nine".