2102913 has 12 divisors (see below), whose sum is σ = 3169920. Its totient is φ = 1340856.

The previous prime is 2102897. The next prime is 2102927. The reversal of 2102913 is 3192012.

It is a happy number.

It is not a de Polignac number, because 2102913 - 2⁴ = 2102897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4873 + ... + 5286.

It is an arithmetic number, because the mean of its divisors is an integer number (264160).

2^2102913 is an apocalyptic number.

2102913 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2102913 is a deficient number, since it is larger than the sum of its proper divisors (1067007).

2102913 is a wasteful number, since it uses less digits than its factorization.

2102913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10188 (or 10185 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2102913 is about 1450.1424068001. The cubic root of 2102913 is about 128.1171006829.

Adding to 2102913 its reverse (3192012), we get a palindrome (5294925).

The spelling of 2102913 in words is "two million, one hundred two thousand, nine hundred thirteen".