11355972 has 12 divisors (see below), whose sum is σ = 26497296. Its totient is φ = 3785320.

The previous prime is 11355961. The next prime is 11355979. The reversal of 11355972 is 27955311.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×11355972³ (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11355979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473154 + ... + 473177.

It is an arithmetic number, because the mean of its divisors is an integer number (2208108).

Almost surely, 2^11355972 is an apocalyptic number.

11355972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11355972 is an abundant number, since it is smaller than the sum of its proper divisors (15141324).

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

11355972 is a wasteful number, since it uses less digits than its factorization.

11355972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946338 (or 946336 counting only the distinct ones).

The product of its digits is 9450, while the sum is 33.

The square root of 11355972 is about 3369.8623117273. The cubic root of 11355972 is about 224.7716003265.

The spelling of 11355972 in words is "eleven million, three hundred fifty-five thousand, nine hundred seventy-two".