11983015 has 16 divisors (see below), whose sum is σ = 16513920. Its totient is φ = 8255520.

The previous prime is 11983009. The next prime is 11983021. The reversal of 11983015 is 51038911.

It is an interprime number because it is at equal distance from previous prime (11983009) and next prime (11983021).

It is not a de Polignac number, because 11983015 - 2³ = 11983007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4689 + ... + 6778.

It is an arithmetic number, because the mean of its divisors is an integer number (1032120).

Almost surely, 2^11983015 is an apocalyptic number.

11983015 is a deficient number, since it is larger than the sum of its proper divisors (4530905).

11983015 is a wasteful number, since it uses less digits than its factorization.

11983015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11502.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 11983015 is about 3461.6491734432. The cubic root of 11983015 is about 228.8347809999.

The spelling of 11983015 in words is "eleven million, nine hundred eighty-three thousand, fifteen".