13040229 has 8 divisors (see below), whose sum is σ = 17409280. Its totient is φ = 8682336.

The previous prime is 13040219. The next prime is 13040231. The reversal of 13040229 is 92204031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13040229 - 2⁷ = 13040101 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 (13040219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492 + ... + 5130.

It is an arithmetic number, because the mean of its divisors is an integer number (2176160).

Almost surely, 2^13040229 is an apocalyptic number.

It is an amenable number.

13040229 is a deficient number, since it is larger than the sum of its proper divisors (4369051).

13040229 is an equidigital number, since it uses as much as digits as its factorization.

13040229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13040229 is about 3611.1257247568. The cubic root of 13040229 is about 235.3757622025.

It can be divided in two parts, 1304022 and 9, that added together give a palindrome (1304031).

The spelling of 13040229 in words is "thirteen million, forty thousand, two hundred twenty-nine".