11415013 has 4 divisors (see below), whose sum is σ = 11423808. Its totient is φ = 11406220.

The previous prime is 11415011. The next prime is 11415023. The reversal of 11415013 is 31051411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11415013 - 2¹ = 11415011 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 (11415011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2023 + ... + 5188.

It is an arithmetic number, because the mean of its divisors is an integer number (2855952).

Almost surely, 2^11415013 is an apocalyptic number.

It is an amenable number.

11415013 is a deficient number, since it is larger than the sum of its proper divisors (8795).

11415013 is an equidigital number, since it uses as much as digits as its factorization.

11415013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8794.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 11415013 is about 3378.6111051732. The cubic root of 11415013 is about 225.1604649567.

Adding to 11415013 its reverse (31051411), we get a palindrome (42466424).

The spelling of 11415013 in words is "eleven million, four hundred fifteen thousand, thirteen".