11513601 has 24 divisors (see below), whose sum is σ = 19100640. Its totient is φ = 6609600.

The previous prime is 11513587. The next prime is 11513627. The reversal of 11513601 is 10631511.

11513601 is a `hidden beast` number, since 11 + 51 + 3 + 601 = 666.

It is not a de Polignac number, because 11513601 - 2⁷ = 11513473 is a prime.

It is a super-3 number, since 3×11513601³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11512601) 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 23 ways as a sum of consecutive naturals, for example, 1180 + ... + 4941.

It is an arithmetic number, because the mean of its divisors is an integer number (795860).

Almost surely, 2^11513601 is an apocalyptic number.

11513601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11513601 is a deficient number, since it is larger than the sum of its proper divisors (7587039).

11513601 is a wasteful number, since it uses less digits than its factorization.

11513601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157 (or 6154 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 11513601 is about 3393.1697570266. The cubic root of 11513601 is about 225.8068218978.

The spelling of 11513601 in words is "eleven million, five hundred thirteen thousand, six hundred one".