11487994 has 16 divisors (see below), whose sum is σ = 20550528. Its totient is φ = 4709232.

The previous prime is 11487979. The next prime is 11488003. The reversal of 11487994 is 49978411.

It is a super-2 number, since 2×11487994² = 263948012288072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11487994.

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, 17517 + ... + 18160.

It is an arithmetic number, because the mean of its divisors is an integer number (1284408).

Almost surely, 2^11487994 is an apocalyptic number.

11487994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11487994 is a deficient number, since it is larger than the sum of its proper divisors (9062534).

11487994 is a wasteful number, since it uses less digits than its factorization.

11487994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35709.

The product of its digits is 72576, while the sum is 43.

The square root of 11487994 is about 3389.3943411766. The cubic root of 11487994 is about 225.6392946031.

The spelling of 11487994 in words is "eleven million, four hundred eighty-seven thousand, nine hundred ninety-four".