13270628 has 12 divisors (see below), whose sum is σ = 26541312. Its totient is φ = 5687400.

The previous prime is 13270627. The next prime is 13270637. The reversal of 13270628 is 82607231.

It is a happy number.

13270628 is an admirable number.

It is a super-2 number, since 2×13270628² = 352219135028768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13270628.

It is not an unprimeable number, because it can be changed into a prime (13270627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236948 + ... + 237003.

It is an arithmetic number, because the mean of its divisors is an integer number (2211776).

Almost surely, 2^13270628 is an apocalyptic number.

It is an amenable number.

13270628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13270628 is a wasteful number, since it uses less digits than its factorization.

13270628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473962 (or 473960 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 13270628 is about 3642.8873164016. The cubic root of 13270628 is about 236.7539090733.

Adding to 13270628 its reverse (82607231), we get a palindrome (95877859).

The spelling of 13270628 in words is "thirteen million, two hundred seventy thousand, six hundred twenty-eight".