11973115 has 32 divisors (see below), whose sum is σ = 18123264. Its totient is φ = 7376640.

The previous prime is 11973113. The next prime is 11973139. The reversal of 11973115 is 51137911.

11973115 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11973115 - 2¹ = 11973113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11973113) 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, 52632 + ... + 52858.

It is an arithmetic number, because the mean of its divisors is an integer number (566352).

Almost surely, 2^11973115 is an apocalyptic number.

11973115 is a deficient number, since it is larger than the sum of its proper divisors (6150149).

11973115 is a wasteful number, since it uses less digits than its factorization.

11973115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387.

The product of its digits is 945, while the sum is 28.

The square root of 11973115 is about 3460.2189237099. The cubic root of 11973115 is about 228.7717448747.

The spelling of 11973115 in words is "eleven million, nine hundred seventy-three thousand, one hundred fifteen".