1513228 has 12 divisors (see below), whose sum is σ = 2713032. Its totient is φ = 738080.

The previous prime is 1513219. The next prime is 1513229. The reversal of 1513228 is 8223151.

It is a junction number, because it is equal to n+sod(n) for n = 1513199 and 1513208.

It is not an unprimeable number, because it can be changed into a prime (1513229) 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, 4450 + ... + 4777.

It is an arithmetic number, because the mean of its divisors is an integer number (226086).

2^1513228 is an apocalyptic number.

It is an amenable number.

1513228 is a deficient number, since it is larger than the sum of its proper divisors (1199804).

1513228 is a wasteful number, since it uses less digits than its factorization.

1513228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9272 (or 9270 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 1513228 is about 1230.1333261074. The cubic root of 1513228 is about 114.8069350382.

Adding to 1513228 its reverse (8223151), we get a palindrome (9736379).

The spelling of 1513228 in words is "one million, five hundred thirteen thousand, two hundred twenty-eight".