1294725313 has 16 divisors (see below), whose sum is σ = 1520678016. Its totient is φ = 1079245440.

The previous prime is 1294725307. The next prime is 1294725317. The reversal of 1294725313 is 3135274921.

It is not a de Polignac number, because 1294725313 - 2⁹ = 1294724801 is a prime.

It is a super-2 number, since 2×1294725313² = 3352627272245895938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1294725317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60903 + ... + 79363.

It is an arithmetic number, because the mean of its divisors is an integer number (95042376).

Almost surely, 2^1294725313 is an apocalyptic number.

It is an amenable number.

1294725313 is a deficient number, since it is larger than the sum of its proper divisors (225952703).

1294725313 is a wasteful number, since it uses less digits than its factorization.

1294725313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18744.

The product of its digits is 45360, while the sum is 37.

The square root of 1294725313 is about 35982.2916585367. The cubic root of 1294725313 is about 1089.9147909150.

The spelling of 1294725313 in words is "one billion, two hundred ninety-four million, seven hundred twenty-five thousand, three hundred thirteen".