1306512634 has 8 divisors (see below), whose sum is σ = 2239735968. Its totient is φ = 559933980.

The previous prime is 1306512617. The next prime is 1306512659. The reversal of 1306512634 is 4362156031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1306512596 and 1306512605.

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, 46661152 + ... + 46661179.

It is an arithmetic number, because the mean of its divisors is an integer number (279966996).

Almost surely, 2^1306512634 is an apocalyptic number.

1306512634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1306512634 is a deficient number, since it is larger than the sum of its proper divisors (933223334).

1306512634 is an equidigital number, since it uses as much as digits as its factorization.

1306512634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93322340.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1306512634 is about 36145.7139091207. The cubic root of 1306512634 is about 1093.2123717515.

Adding to 1306512634 its reverse (4362156031), we get a palindrome (5668668665).

The spelling of 1306512634 in words is "one billion, three hundred six million, five hundred twelve thousand, six hundred thirty-four".