11550072 has 32 divisors (see below), whose sum is σ = 30574800. Its totient is φ = 3623424.

The previous prime is 11550061. The next prime is 11550083. The reversal of 11550072 is 27005511.

11550072 is digitally balanced in base 2, because in such base 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 (11550061) and next prime (11550083).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13747 + ... + 14562.

Almost surely, 2^11550072 is an apocalyptic number.

11550072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11550072 is an abundant number, since it is smaller than the sum of its proper divisors (19024728).

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

11550072 is a wasteful number, since it uses less digits than its factorization.

11550072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28335 (or 28331 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 11550072 is about 3398.5396863947. The cubic root of 11550072 is about 226.0449958703.

Adding to 11550072 its reverse (27005511), we get a palindrome (38555583).

The spelling of 11550072 in words is "eleven million, five hundred fifty thousand, seventy-two".