11956113 has 32 divisors (see below), whose sum is σ = 19918080. Its totient is φ = 7032960.

The previous prime is 11956103. The next prime is 11956121. The reversal of 11956113 is 31165911.

It is not a de Polignac number, because 11956113 - 2⁵ = 11956081 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (11956103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7333 + ... + 8813.

It is an arithmetic number, because the mean of its divisors is an integer number (622440).

Almost surely, 2^11956113 is an apocalyptic number.

11956113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11956113 is a deficient number, since it is larger than the sum of its proper divisors (7961967).

11956113 is a wasteful number, since it uses less digits than its factorization.

11956113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526 (or 1520 counting only the distinct ones).

The product of its digits is 810, while the sum is 27.

The square root of 11956113 is about 3457.7612699549. The cubic root of 11956113 is about 228.6634071601.

The spelling of 11956113 in words is "eleven million, nine hundred fifty-six thousand, one hundred thirteen".