11980617 has 16 divisors (see below), whose sum is σ = 17833728. Its totient is φ = 7091280.

The previous prime is 11980613. The next prime is 11980669. The reversal of 11980617 is 71608911.

It is not a de Polignac number, because 11980617 - 2² = 11980613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (11980613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2803 + ... + 5640.

It is an arithmetic number, because the mean of its divisors is an integer number (1114608).

Almost surely, 2^11980617 is an apocalyptic number.

It is an amenable number.

11980617 is a deficient number, since it is larger than the sum of its proper divisors (5853111).

11980617 is a wasteful number, since it uses less digits than its factorization.

11980617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8500.

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 11980617 is about 3461.3027894133. The cubic root of 11980617 is about 228.8195154369.

The spelling of 11980617 in words is "eleven million, nine hundred eighty thousand, six hundred seventeen".