11872207 has 6 divisors (see below), whose sum is σ = 12530328. Its totient is φ = 11247012.

The previous prime is 11872187. The next prime is 11872213. The reversal of 11872207 is 70227811.

It is a de Polignac number, because none of the positive numbers 2^k-11872207 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 (11872277) 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, 16083 + ... + 16804.

It is an arithmetic number, because the mean of its divisors is an integer number (2088388).

Almost surely, 2^11872207 is an apocalyptic number.

11872207 is a deficient number, since it is larger than the sum of its proper divisors (658121).

11872207 is an equidigital number, since it uses as much as digits as its factorization.

11872207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32925 (or 32906 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 11872207 is about 3445.6069131577. The cubic root of 11872207 is about 228.1272437885.

The spelling of 11872207 in words is "eleven million, eight hundred seventy-two thousand, two hundred seven".