11720136 has 16 divisors (see below), whose sum is σ = 29300400. Its totient is φ = 3906704.

The previous prime is 11720119. The next prime is 11720153. The reversal of 11720136 is 63102711.

11720136 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11720119) and next prime (11720153).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244146 + ... + 244193.

It is an arithmetic number, because the mean of its divisors is an integer number (1831275).

Almost surely, 2^11720136 is an apocalyptic number.

It is an amenable number.

11720136 is an abundant number, since it is smaller than the sum of its proper divisors (17580264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11720136 is a wasteful number, since it uses less digits than its factorization.

11720136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488348 (or 488344 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 11720136 is about 3423.4684166792. The cubic root of 11720136 is about 227.1490285213.

Adding to 11720136 its reverse (63102711), we get a palindrome (74822847).

The spelling of 11720136 in words is "eleven million, seven hundred twenty thousand, one hundred thirty-six".