11772137 has 8 divisors (see below), whose sum is σ = 12948096. Its totient is φ = 10634832.

The previous prime is 11772133. The next prime is 11772161. The reversal of 11772137 is 73127711.

11772137 is digitally balanced in base 2, 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 11772137 - 2² = 11772133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11772133) 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, 9023 + ... + 10244.

It is an arithmetic number, because the mean of its divisors is an integer number (1618512).

Almost surely, 2^11772137 is an apocalyptic number.

It is an amenable number.

11772137 is a deficient number, since it is larger than the sum of its proper divisors (1175959).

11772137 is a wasteful number, since it uses less digits than its factorization.

11772137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19327.

The product of its digits is 2058, while the sum is 29.

The square root of 11772137 is about 3431.0547940830. The cubic root of 11772137 is about 227.4844782712.

Adding to 11772137 its reverse (73127711), we get a palindrome (84899848).

The spelling of 11772137 in words is "eleven million, seven hundred seventy-two thousand, one hundred thirty-seven".