2113504 has 12 divisors (see below), whose sum is σ = 4161024. Its totient is φ = 1056736.

The previous prime is 2113471. The next prime is 2113511. The reversal of 2113504 is 4053112.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32992 + ... + 33055.

It is an arithmetic number, because the mean of its divisors is an integer number (346752).

2^2113504 is an apocalyptic number.

It is an amenable number.

2113504 is a deficient number, since it is larger than the sum of its proper divisors (2047520).

2113504 is an equidigital number, since it uses as much as digits as its factorization.

2113504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66057 (or 66049 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2113504 is about 1453.7895308469. The cubic root of 2113504 is about 128.3318213499.

Adding to 2113504 its reverse (4053112), we get a palindrome (6166616).

The spelling of 2113504 in words is "two million, one hundred thirteen thousand, five hundred four".