1306656552 has 32 divisors (see below), whose sum is σ = 3346318080. Its totient is φ = 424928640.

The previous prime is 1306656529. The next prime is 1306656569. The reversal of 1306656552 is 2556566031.

It is a Smith number, since the sum of its digits (39) 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 1306656552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662968 + ... + 664935.

It is an arithmetic number, because the mean of its divisors is an integer number (104572440).

Almost surely, 2^1306656552 is an apocalyptic number.

1306656552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1306656552 is an abundant number, since it is smaller than the sum of its proper divisors (2039661528).

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

1306656552 is a wasteful number, since it uses less digits than its factorization.

1306656552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327953 (or 1327949 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 1306656552 is about 36147.7046574191. The cubic root of 1306656552 is about 1093.2525109632.

The spelling of 1306656552 in words is "one billion, three hundred six million, six hundred fifty-six thousand, five hundred fifty-two".