1294672896 has 396 divisors, whose sum is σ = 4360372016. Its totient is φ = 383201280.

The previous prime is 1294672831. The next prime is 1294672903. The reversal of 1294672896 is 6982764921.

It is a tau number, because it is divible by the number of its divisors (396).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30108651 + ... + 30108693.

Almost surely, 2^1294672896 is an apocalyptic number.

1294672896 is a gapful number since it is divisible by the number (16) 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 1294672896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2180186008).

1294672896 is an abundant number, since it is smaller than the sum of its proper divisors (3065699120).

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

1294672896 is an equidigital number, since it uses as much as digits as its factorization.

1294672896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 59 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 1294672896 is about 35981.5632789905. The cubic root of 1294672896 is about 1089.9000823036.

The spelling of 1294672896 in words is "one billion, two hundred ninety-four million, six hundred seventy-two thousand, eight hundred ninety-six".