1296296349 has 8 divisors (see below), whose sum is σ = 1729930560. Its totient is φ = 863429856.

The previous prime is 1296296327. The next prime is 1296296363. The reversal of 1296296349 is 9436926921.

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

It is not a de Polignac number, because 1296296349 - 2¹¹ = 1296294301 is a prime.

It is a super-3 number, since 3×1296296349³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296296389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187977 + ... + 194750.

It is an arithmetic number, because the mean of its divisors is an integer number (216241320).

Almost surely, 2^1296296349 is an apocalyptic number.

It is an amenable number.

1296296349 is a deficient number, since it is larger than the sum of its proper divisors (433634211).

1296296349 is a wasteful number, since it uses less digits than its factorization.

1296296349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383859.

The product of its digits is 1259712, while the sum is 51.

The square root of 1296296349 is about 36004.1157230670. The cubic root of 1296296349 is about 1090.3554515064.

The spelling of 1296296349 in words is "one billion, two hundred ninety-six million, two hundred ninety-six thousand, three hundred forty-nine".