1297310 has 32 divisors (see below), whose sum is σ = 2737152. Its totient is φ = 433440.

The previous prime is 1297297. The next prime is 1297313. The reversal of 1297310 is 137921.

1297310 = T₆₀ + T₆₁ + ... + T₁₉₉.

It is a super-2 number, since 2×1297310² = 3366026472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2795 + ... + 3225.

It is an arithmetic number, because the mean of its divisors is an integer number (85536).

2^1297310 is an apocalyptic number.

1297310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1297310 is an abundant number, since it is smaller than the sum of its proper divisors (1439842).

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

1297310 is a wasteful number, since it uses less digits than its factorization.

1297310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1297310 is about 1138.9951711926. The cubic root of 1297310 is about 109.0639581992.

The spelling of 1297310 in words is "one million, two hundred ninety-seven thousand, three hundred ten".