11870973 has 6 divisors (see below), whose sum is σ = 17146974. Its totient is φ = 7913976.

The previous prime is 11870951. The next prime is 11870983. The reversal of 11870973 is 37907811.

It can be written as a sum of positive squares in only one way, i.e., 9566649 + 2304324 = 3093^2 + 1518^2 .

It is not a de Polignac number, because 11870973 - 2⁸ = 11870717 is a prime.

It is a super-4 number, since 4×11870973⁴ (a number of 29 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11870983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 659490 + ... + 659507.

It is an arithmetic number, because the mean of its divisors is an integer number (2857829).

Almost surely, 2^11870973 is an apocalyptic number.

It is an amenable number.

11870973 is a deficient number, since it is larger than the sum of its proper divisors (5276001).

11870973 is a wasteful number, since it uses less digits than its factorization.

11870973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319003 (or 1319000 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 11870973 is about 3445.4278399061. The cubic root of 11870973 is about 228.1193396481.

The spelling of 11870973 in words is "eleven million, eight hundred seventy thousand, nine hundred seventy-three".