1263474317 has 4 divisors (see below), whose sum is σ = 1443970656. Its totient is φ = 1082977980.

The previous prime is 1263474313. The next prime is 1263474319. The reversal of 1263474317 is 7134743621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7134743621 = 4211 ⋅1694311.

It is not a de Polignac number, because 1263474317 - 2² = 1263474313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263474313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90248159 + ... + 90248172.

It is an arithmetic number, because the mean of its divisors is an integer number (360992664).

Almost surely, 2^1263474317 is an apocalyptic number.

It is an amenable number.

1263474317 is a deficient number, since it is larger than the sum of its proper divisors (180496339).

1263474317 is an equidigital number, since it uses as much as digits as its factorization.

1263474317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180496338.

The product of its digits is 84672, while the sum is 38.

The square root of 1263474317 is about 35545.3839056494. The cubic root of 1263474317 is about 1081.0741248370.

The spelling of 1263474317 in words is "one billion, two hundred sixty-three million, four hundred seventy-four thousand, three hundred seventeen".