13515053 has 8 divisors (see below), whose sum is σ = 14370048. Its totient is φ = 12682384.

The previous prime is 13515049. The next prime is 13515067. The reversal of 13515053 is 35051531.

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

It is not a de Polignac number, because 13515053 - 2² = 13515049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13515253) 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, 4325 + ... + 6762.

It is an arithmetic number, because the mean of its divisors is an integer number (1796256).

Almost surely, 2^13515053 is an apocalyptic number.

It is an amenable number.

13515053 is a deficient number, since it is larger than the sum of its proper divisors (854995).

13515053 is a wasteful number, since it uses less digits than its factorization.

13515053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11163.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 13515053 is about 3676.2824973062. The cubic root of 13515053 is about 238.1986254701.

Adding to 13515053 its reverse (35051531), we get a palindrome (48566584).

The spelling of 13515053 in words is "thirteen million, five hundred fifteen thousand, fifty-three".