1308628 has 12 divisors (see below), whose sum is σ = 2298240. Its totient is φ = 651992.

The previous prime is 1308613. The next prime is 1308647. The reversal of 1308628 is 8268031.

It is a junction number, because it is equal to n+sod(n) for n = 1308596 and 1308605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1575 + ... + 2257.

It is an arithmetic number, because the mean of its divisors is an integer number (191520).

2^1308628 is an apocalyptic number.

It is an amenable number.

1308628 is a deficient number, since it is larger than the sum of its proper divisors (989612).

1308628 is a wasteful number, since it uses less digits than its factorization.

1308628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1308628 is about 1143.9527962289. The cubic root of 1308628 is about 109.3802057930.

It can be divided in two parts, 1308 and 628, that added together give a square (1936 = 44²).

The spelling of 1308628 in words is "one million, three hundred eight thousand, six hundred twenty-eight".