11312732 has 6 divisors (see below), whose sum is σ = 19797288. Its totient is φ = 5656364.

The previous prime is 11312731. The next prime is 11312801. The reversal of 11312732 is 23721311.

It is a super-3 number, since 3×11312732³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1414088 + ... + 1414095.

It is an arithmetic number, because the mean of its divisors is an integer number (3299548).

Almost surely, 2^11312732 is an apocalyptic number.

It is an amenable number.

11312732 is a deficient number, since it is larger than the sum of its proper divisors (8484556).

11312732 is a wasteful number, since it uses less digits than its factorization.

11312732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828187 (or 2828185 counting only the distinct ones).

The product of its digits is 252, while the sum is 20.

The square root of 11312732 is about 3363.4405004400. The cubic root of 11312732 is about 224.4859507447.

The spelling of 11312732 in words is "eleven million, three hundred twelve thousand, seven hundred thirty-two".