11013975 has 108 divisors (see below), whose sum is σ = 24441144. Its totient is φ = 4898880.

The previous prime is 11013973. The next prime is 11013979. The reversal of 11013975 is 57931011.

It is a happy number.

11013975 is digitally balanced in base 2 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 11013975 - 2¹ = 11013973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013973) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 297657 + ... + 297693.

Almost surely, 2^11013975 is an apocalyptic number.

11013975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11013975 is an abundant number, since it is smaller than the sum of its proper divisors (13427169).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11013975 is an equidigital number, since it uses as much as digits as its factorization.

11013975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 11013975 is about 3318.7309321486. The cubic root of 11013975 is about 222.4921513875.

Adding to 11013975 its reverse (57931011), we get a palindrome (68944986).

The spelling of 11013975 in words is "eleven million, thirteen thousand, nine hundred seventy-five".