11970172 has 6 divisors (see below), whose sum is σ = 20947808. Its totient is φ = 5985084.

The previous prime is 11970169. The next prime is 11970181. The reversal of 11970172 is 27107911.

It is a self number, because there is not a number n which added to its sum of digits gives 11970172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1496268 + ... + 1496275.

Almost surely, 2^11970172 is an apocalyptic number.

It is an amenable number.

11970172 is a deficient number, since it is larger than the sum of its proper divisors (8977636).

11970172 is a wasteful number, since it uses less digits than its factorization.

11970172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992547 (or 2992545 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 11970172 is about 3459.7936354644. The cubic root of 11970172 is about 228.7529992540.

The spelling of 11970172 in words is "eleven million, nine hundred seventy thousand, one hundred seventy-two".