11972207 has 8 divisors (see below), whose sum is σ = 12953136. Its totient is φ = 10999872.

The previous prime is 11972203. The next prime is 11972243. The reversal of 11972207 is 70227911.

11972207 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11972207 - 2² = 11972203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11972207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11972203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923 + ... + 4979.

It is an arithmetic number, because the mean of its divisors is an integer number (1619142).

Almost surely, 2^11972207 is an apocalyptic number.

11972207 is a deficient number, since it is larger than the sum of its proper divisors (980929).

11972207 is a wasteful number, since it uses less digits than its factorization.

11972207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 11972207 is about 3460.0877156512. The cubic root of 11972207 is about 228.7659616401.

The spelling of 11972207 in words is "eleven million, nine hundred seventy-two thousand, two hundred seven".