1312697088 has 54 divisors (see below), whose sum is σ = 3784835964. Its totient is φ = 437564928.

The previous prime is 1312697083. The next prime is 1312697107. The reversal of 1312697088 is 8807962131.

It is not an unprimeable number, because it can be changed into a prime (1312697081) 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 5 ways as a sum of consecutive naturals, for example, 282570 + ... + 287177.

Almost surely, 2^1312697088 is an apocalyptic number.

1312697088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1312697088 is an abundant number, since it is smaller than the sum of its proper divisors (2472138876).

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

1312697088 is an equidigital number, since it uses as much as digits as its factorization.

1312697088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569769 (or 569752 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1312697088 is about 36231.1618361874. The cubic root of 1312697088 is about 1094.9345854461.

The spelling of 1312697088 in words is "one billion, three hundred twelve million, six hundred ninety-seven thousand, eighty-eight".