1298913 has 16 divisors (see below), whose sum is σ = 2159616. Its totient is φ = 674640.

The previous prime is 1298911. The next prime is 1298923. The reversal of 1298913 is 3198921.

It is not a de Polignac number, because 1298913 - 2¹ = 1298911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1298911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2581 + ... + 3042.

It is an arithmetic number, because the mean of its divisors is an integer number (134976).

2^1298913 is an apocalyptic number.

It is an amenable number.

1298913 is a deficient number, since it is larger than the sum of its proper divisors (860703).

1298913 is a wasteful number, since it uses less digits than its factorization.

1298913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5644.

The product of its digits is 3888, while the sum is 33.

The square root of 1298913 is about 1139.6986443793. The cubic root of 1298913 is about 109.1088607453.

It can be divided in two parts, 1298 and 913, that added together give a triangular number (2211 = T₆₆).

The spelling of 1298913 in words is "one million, two hundred ninety-eight thousand, nine hundred thirteen".