11973071 has 12 divisors (see below), whose sum is σ = 13415976. Its totient is φ = 10673520.

The previous prime is 11973067. The next prime is 11973077. The reversal of 11973071 is 17037911.

It is not a de Polignac number, because 11973071 - 2² = 11973067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11973077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5480 + ... + 7346.

It is an arithmetic number, because the mean of its divisors is an integer number (1117998).

Almost surely, 2^11973071 is an apocalyptic number.

11973071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11973071 is a deficient number, since it is larger than the sum of its proper divisors (1442905).

11973071 is a wasteful number, since it uses less digits than its factorization.

11973071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 29.

The square root of 11973071 is about 3460.2125657248. The cubic root of 11973071 is about 228.7714646366.

The spelling of 11973071 in words is "eleven million, nine hundred seventy-three thousand, seventy-one".