13148228 has 24 divisors (see below), whose sum is σ = 24450720. Its totient is φ = 6168960.

The previous prime is 13148221. The next prime is 13148231. The reversal of 13148228 is 82284131.

13148228 = 452² + 453² + ... + 508².

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13148228.

It is not an unprimeable number, because it can be changed into a prime (13148221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7823 + ... + 9353.

It is an arithmetic number, because the mean of its divisors is an integer number (1018780).

Almost surely, 2^13148228 is an apocalyptic number.

It is an amenable number.

13148228 is a deficient number, since it is larger than the sum of its proper divisors (11302492).

13148228 is a wasteful number, since it uses less digits than its factorization.

13148228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667 (or 1665 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 13148228 is about 3626.0485380094. The cubic root of 13148228 is about 236.0237695105.

The spelling of 13148228 in words is "thirteen million, one hundred forty-eight thousand, two hundred twenty-eight".