2113487 has 8 divisors (see below), whose sum is σ = 2211840. Its totient is φ = 2017080.

The previous prime is 2113471. The next prime is 2113511. The reversal of 2113487 is 7843112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2113487 - 2⁴ = 2113471 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 (2113417) 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 7 ways as a sum of consecutive naturals, for example, 2018 + ... + 2880.

It is an arithmetic number, because the mean of its divisors is an integer number (276480).

2^2113487 is an apocalyptic number.

2113487 is a deficient number, since it is larger than the sum of its proper divisors (98353).

2113487 is an equidigital number, since it uses as much as digits as its factorization.

2113487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973.

The product of its digits is 1344, while the sum is 26.

The square root of 2113487 is about 1453.7836840466. The cubic root of 2113487 is about 128.3314772693.

Adding to 2113487 its reverse (7843112), we get a palindrome (9956599).

The spelling of 2113487 in words is "two million, one hundred thirteen thousand, four hundred eighty-seven".