11787472 has 10 divisors (see below), whose sum is σ = 22838258. Its totient is φ = 5893728.

The previous prime is 11787469. The next prime is 11787473. The reversal of 11787472 is 27478711.

It can be written as a sum of positive squares in only one way, i.e., 9585216 + 2202256 = 3096^2 + 1484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11787473) 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, 368343 + ... + 368374.

Almost surely, 2^11787472 is an apocalyptic number.

It is an amenable number.

11787472 is a deficient number, since it is larger than the sum of its proper divisors (11050786).

11787472 is an equidigital number, since it uses as much as digits as its factorization.

11787472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736725 (or 736719 counting only the distinct ones).

The product of its digits is 21952, while the sum is 37.

The square root of 11787472 is about 3433.2888023002. The cubic root of 11787472 is about 227.5832131289.

The spelling of 11787472 in words is "eleven million, seven hundred eighty-seven thousand, four hundred seventy-two".