1299858213 has 16 divisors (see below), whose sum is σ = 1794199680. Its totient is φ = 836087616.

The previous prime is 1299858193. The next prime is 1299858227. The reversal of 1299858213 is 3128589921.

It is not a de Polignac number, because 1299858213 - 2⁵ = 1299858181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299850213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137856 + ... + 146982.

It is an arithmetic number, because the mean of its divisors is an integer number (112137480).

Almost surely, 2^1299858213 is an apocalyptic number.

It is an amenable number.

1299858213 is a deficient number, since it is larger than the sum of its proper divisors (494341467).

1299858213 is a wasteful number, since it uses less digits than its factorization.

1299858213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10796.

The product of its digits is 311040, while the sum is 48.

The square root of 1299858213 is about 36053.5464691062. The cubic root of 1299858213 is about 1091.3532033306.

The spelling of 1299858213 in words is "one billion, two hundred ninety-nine million, eight hundred fifty-eight thousand, two hundred thirteen".