1299674880 has 432 divisors, whose sum is σ = 5234471424. Its totient is φ = 291594240.

The previous prime is 1299674821. The next prime is 1299674891. The reversal of 1299674880 is 884769921.

1299674880 is a `hidden beast` number, since 12 + 99 + 67 + 488 + 0 = 666.

It is a super-4 number, since 4×1299674880⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5725327 + ... + 5725553.

It is an arithmetic number, because the mean of its divisors is an integer number (12116832).

Almost surely, 2^1299674880 is an apocalyptic number.

1299674880 is a gapful number since it is divisible by the number (10) 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 1299674880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2617235712).

1299674880 is an abundant number, since it is smaller than the sum of its proper divisors (3934796544).

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

1299674880 is a wasteful number, since it uses less digits than its factorization.

1299674880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 1299674880 is about 36051.0038695180. The cubic root of 1299674880 is about 1091.3018924871.

The spelling of 1299674880 in words is "one billion, two hundred ninety-nine million, six hundred seventy-four thousand, eight hundred eighty".