890000013 has 16 divisors (see below), whose sum is σ = 1374770816. Its totient is φ = 501603840.

The previous prime is 890000011. The next prime is 890000021. The reversal of 890000013 is 310000098.

It is not a de Polignac number, because 890000013 - 2¹ = 890000011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890000011) 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, 288748 + ... + 291813.

It is an arithmetic number, because the mean of its divisors is an integer number (85923176).

Almost surely, 2^890000013 is an apocalyptic number.

It is an amenable number.

890000013 is a deficient number, since it is larger than the sum of its proper divisors (484770803).

890000013 is a wasteful number, since it uses less digits than its factorization.

890000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580644.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 890000013 is about 29832.8679982331. The cubic root of 890000013 is about 961.9001762911.

The spelling of 890000013 in words is "eight hundred ninety million, thirteen", and thus it is an aban number.