1315276992 has 84 divisors (see below), whose sum is σ = 3793403640. Its totient is φ = 435704832.

The previous prime is 1315276967. The next prime is 1315277017. The reversal of 1315276992 is 2996725131.

It is a happy number.

1315276992 is a `hidden beast` number, since 1 + 31 + 527 + 6 + 9 + 92 = 666.

It is an interprime number because it is at equal distance from previous prime (1315276967) and next prime (1315277017).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86884 + ... + 100892.

Almost surely, 2^1315276992 is an apocalyptic number.

1315276992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315276992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1896701820).

1315276992 is an abundant number, since it is smaller than the sum of its proper divisors (2478126648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1315276992 is a wasteful number, since it uses less digits than its factorization.

1315276992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14190 (or 14177 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 1315276992 is about 36266.7477450074. The cubic root of 1315276992 is about 1095.6514244827.

The spelling of 1315276992 in words is "one billion, three hundred fifteen million, two hundred seventy-six thousand, nine hundred ninety-two".