13000628 has 6 divisors (see below), whose sum is σ = 22751106. Its totient is φ = 6500312.

The previous prime is 13000627. The next prime is 13000633. The reversal of 13000628 is 82600031.

It can be written as a sum of positive squares in only one way, i.e., 11682724 + 1317904 = 3418^2 + 1148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1625075 + ... + 1625082.

It is an arithmetic number, because the mean of its divisors is an integer number (3791851).

Almost surely, 2^13000628 is an apocalyptic number.

It is an amenable number.

13000628 is a deficient number, since it is larger than the sum of its proper divisors (9750478).

13000628 is a wasteful number, since it uses less digits than its factorization.

13000628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250161 (or 3250159 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13000628 is about 3605.6383623431. The cubic root of 13000628 is about 235.1372549629.

Adding to 13000628 its reverse (82600031), we get a palindrome (95600659).

The spelling of 13000628 in words is "thirteen million, six hundred twenty-eight", and thus it is an aban number.