1312898 has 8 divisors (see below), whose sum is σ = 2011392. Its totient is φ = 642436.

The previous prime is 1312891. The next prime is 1312907. The reversal of 1312898 is 8982131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1312891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6890 + ... + 7077.

It is an arithmetic number, because the mean of its divisors is an integer number (251424).

2^1312898 is an apocalyptic number.

1312898 is a deficient number, since it is larger than the sum of its proper divisors (698494).

1312898 is a wasteful number, since it uses less digits than its factorization.

1312898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14016.

The product of its digits is 3456, while the sum is 32.

The square root of 1312898 is about 1145.8176120134. The cubic root of 1312898 is about 109.4990443541.

The spelling of 1312898 in words is "one million, three hundred twelve thousand, eight hundred ninety-eight".