11487312 has 40 divisors (see below), whose sum is σ = 32974080. Its totient is φ = 3828960.

The previous prime is 11487299. The next prime is 11487323. The reversal of 11487312 is 21378411.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 12864 + ... + 13727.

It is an arithmetic number, because the mean of its divisors is an integer number (824352).

Almost surely, 2^11487312 is an apocalyptic number.

11487312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11487312 is an abundant number, since it is smaller than the sum of its proper divisors (21486768).

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

11487312 is a wasteful number, since it uses less digits than its factorization.

11487312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26608 (or 26596 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 11487312 is about 3389.2937317382. The cubic root of 11487312 is about 225.6348293894.

The spelling of 11487312 in words is "eleven million, four hundred eighty-seven thousand, three hundred twelve".