1103513 has 8 divisors (see below), whose sum is σ = 1150848. Its totient is φ = 1057264.

The previous prime is 1103497. The next prime is 1103519. The reversal of 1103513 is 3153011.

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 1103513 - 2⁴ = 1103497 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 (1103519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2270 + ... + 2712.

It is an arithmetic number, because the mean of its divisors is an integer number (143856).

2^1103513 is an apocalyptic number.

It is an amenable number.

1103513 is a deficient number, since it is larger than the sum of its proper divisors (47335).

1103513 is an equidigital number, since it uses as much as digits as its factorization.

1103513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 1103513 is about 1050.4822701978. The cubic root of 1103513 is about 103.3377856794.

Adding to 1103513 its reverse (3153011), we get a palindrome (4256524).

The spelling of 1103513 in words is "one million, one hundred three thousand, five hundred thirteen".