1296450876 has 48 divisors (see below), whose sum is σ = 3568732160. Its totient is φ = 358464960.

The previous prime is 1296450853. The next prime is 1296450877. The reversal of 1296450876 is 6780546921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296450877) 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, 246331 + ... + 251538.

Almost surely, 2^1296450876 is an apocalyptic number.

It is an amenable number.

1296450876 is an abundant number, since it is smaller than the sum of its proper divisors (2272281284).

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

1296450876 is a wasteful number, since it uses less digits than its factorization.

1296450876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497914 (or 497912 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 1296450876 is about 36006.2616221123. The cubic root of 1296450876 is about 1090.3987756178.

The spelling of 1296450876 in words is "one billion, two hundred ninety-six million, four hundred fifty thousand, eight hundred seventy-six".