13101229 has 4 divisors (see below), whose sum is σ = 13348476. Its totient is φ = 12853984.

The previous prime is 13101223. The next prime is 13101233. The reversal of 13101229 is 92210131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6200100 + 6901129 = 2490^2 + 2627^2 .

It is not a de Polignac number, because 13101229 - 2¹¹ = 13099181 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 (13101223) 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, 123544 + ... + 123649.

It is an arithmetic number, because the mean of its divisors is an integer number (3337119).

Almost surely, 2^13101229 is an apocalyptic number.

It is an amenable number.

13101229 is a deficient number, since it is larger than the sum of its proper divisors (247247).

13101229 is an equidigital number, since it uses as much as digits as its factorization.

13101229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247246.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 13101229 is about 3619.5619900756. The cubic root of 13101229 is about 235.7422074930.

It can be divided in two parts, 1310122 and 9, that added together give a palindrome (1310131).

The spelling of 13101229 in words is "thirteen million, one hundred one thousand, two hundred twenty-nine".