11662172 has 6 divisors (see below), whose sum is σ = 20408808. Its totient is φ = 5831084.

The previous prime is 11662171. The next prime is 11662177. The reversal of 11662172 is 27126611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11662171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1457768 + ... + 1457775.

It is an arithmetic number, because the mean of its divisors is an integer number (3401468).

Almost surely, 2^11662172 is an apocalyptic number.

It is an amenable number.

11662172 is a deficient number, since it is larger than the sum of its proper divisors (8746636).

11662172 is a wasteful number, since it uses less digits than its factorization.

11662172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915547 (or 2915545 counting only the distinct ones).

The product of its digits is 1008, while the sum is 26.

The square root of 11662172 is about 3414.9922401083. The cubic root of 11662172 is about 226.7739409564.

Adding to 11662172 its reverse (27126611), we get a palindrome (38788783).

The spelling of 11662172 in words is "eleven million, six hundred sixty-two thousand, one hundred seventy-two".