11513927 has 4 divisors (see below), whose sum is σ = 11885376. Its totient is φ = 11142480.

The previous prime is 11513923. The next prime is 11513939. The reversal of 11513927 is 72931511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72931511 = 4673 ⋅15607.

It is a cyclic number.

It is not a de Polignac number, because 11513927 - 2² = 11513923 is a prime.

It is a super-2 number, since 2×11513927² = 265141029922658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11513927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513921) 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 3 ways as a sum of consecutive naturals, for example, 185678 + ... + 185739.

It is an arithmetic number, because the mean of its divisors is an integer number (2971344).

Almost surely, 2^11513927 is an apocalyptic number.

11513927 is a deficient number, since it is larger than the sum of its proper divisors (371449).

11513927 is an equidigital number, since it uses as much as digits as its factorization.

11513927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371448.

The product of its digits is 1890, while the sum is 29.

The square root of 11513927 is about 3393.2177943657. The cubic root of 11513927 is about 225.8089530680.

The spelling of 11513927 in words is "eleven million, five hundred thirteen thousand, nine hundred twenty-seven".