1298000213 has 4 divisors (see below), whose sum is σ = 1303386348. Its totient is φ = 1292614080.

The previous prime is 1298000173. The next prime is 1298000251. The reversal of 1298000213 is 3120008921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1177725124 + 120275089 = 34318^2 + 10967^2 .

It is a cyclic number.

It is not a de Polignac number, because 1298000213 - 2⁶ = 1298000149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298000513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2692706 + ... + 2693187.

It is an arithmetic number, because the mean of its divisors is an integer number (325846587).

Almost surely, 2^1298000213 is an apocalyptic number.

It is an amenable number.

1298000213 is a deficient number, since it is larger than the sum of its proper divisors (5386135).

1298000213 is an equidigital number, since it uses as much as digits as its factorization.

1298000213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5386134.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1298000213 is about 36027.7700253568. The cubic root of 1298000213 is about 1090.8329668058.

The spelling of 1298000213 in words is "one billion, two hundred ninety-eight million, two hundred thirteen", and thus it is an aban number.