1326880634 has 16 divisors (see below), whose sum is σ = 2108628288. Its totient is φ = 624050112.

The previous prime is 1326880591. The next prime is 1326880657. The reversal of 1326880634 is 4360886231.

It is a happy number.

It is a super-2 number, since 2×1326880634² = 3521224433768483912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1326880591 and 1326880600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53027 + ... + 73929.

It is an arithmetic number, because the mean of its divisors is an integer number (131789268).

Almost surely, 2^1326880634 is an apocalyptic number.

1326880634 is a deficient number, since it is larger than the sum of its proper divisors (781747654).

1326880634 is a wasteful number, since it uses less digits than its factorization.

1326880634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22789.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 1326880634 is about 36426.3727812693. The cubic root of 1326880634 is about 1098.8640156878.

The spelling of 1326880634 in words is "one billion, three hundred twenty-six million, eight hundred eighty thousand, six hundred thirty-four".