13429228 has 6 divisors (see below), whose sum is σ = 23501156. Its totient is φ = 6714612.

The previous prime is 13429223. The next prime is 13429267. The reversal of 13429228 is 82292431.

It is a self number, because there is not a number n which added to its sum of digits gives 13429228.

It is not an unprimeable number, because it can be changed into a prime (13429223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1678650 + ... + 1678657.

Almost surely, 2^13429228 is an apocalyptic number.

It is an amenable number.

13429228 is a deficient number, since it is larger than the sum of its proper divisors (10071928).

13429228 is a wasteful number, since it uses less digits than its factorization.

13429228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357311 (or 3357309 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 13429228 is about 3664.5911095237. The cubic root of 13429228 is about 237.6933413637.

The spelling of 13429228 in words is "thirteen million, four hundred twenty-nine thousand, two hundred twenty-eight".