11013501 has 12 divisors (see below), whose sum is σ = 15600512. Its totient is φ = 6909888.

The previous prime is 11013493. The next prime is 11013503. The reversal of 11013501 is 10531011.

11013501 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11013501 - 2³ = 11013493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5485 + ... + 7218.

Almost surely, 2^11013501 is an apocalyptic number.

It is an amenable number.

11013501 is a deficient number, since it is larger than the sum of its proper divisors (4587011).

11013501 is a wasteful number, since it uses less digits than its factorization.

11013501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12740 (or 12723 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 12.

The square root of 11013501 is about 3318.6595185406. The cubic root of 11013501 is about 222.4889596003.

Adding to 11013501 its reverse (10531011), we get a palindrome (21544512).

The spelling of 11013501 in words is "eleven million, thirteen thousand, five hundred one".