1296607345 has 16 divisors (see below), whose sum is σ = 1699367040. Its totient is φ = 941881600.

The previous prime is 1296607339. The next prime is 1296607369. The reversal of 1296607345 is 5437066921.

It is a de Polignac number, because none of the positive numbers 2^k-1296607345 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 35076 + ... + 61834.

It is an arithmetic number, because the mean of its divisors is an integer number (106210440).

Almost surely, 2^1296607345 is an apocalyptic number.

It is an amenable number.

1296607345 is a deficient number, since it is larger than the sum of its proper divisors (402759695).

1296607345 is a wasteful number, since it uses less digits than its factorization.

1296607345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27656.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 1296607345 is about 36008.4343591887. The cubic root of 1296607345 is about 1090.4426406923.

The spelling of 1296607345 in words is "one billion, two hundred ninety-six million, six hundred seven thousand, three hundred forty-five".