1297682086 has 16 divisors (see below), whose sum is σ = 1958468400. Its totient is φ = 644869728.

The previous prime is 1297682069. The next prime is 1297682101. The reversal of 1297682086 is 6802867921.

It is a super-2 number, since 2×1297682086² = 3367957592650622792, which contains 22 as substring.

It is a congruent number.

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, 296905 + ... + 301243.

It is an arithmetic number, because the mean of its divisors is an integer number (122404275).

Almost surely, 2^1297682086 is an apocalyptic number.

1297682086 is a deficient number, since it is larger than the sum of its proper divisors (660786314).

1297682086 is a wasteful number, since it uses less digits than its factorization.

1297682086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5223.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 1297682086 is about 36023.3547299526. The cubic root of 1297682086 is about 1090.7438420711.

The spelling of 1297682086 in words is "one billion, two hundred ninety-seven million, six hundred eighty-two thousand, eighty-six".