11287458 has 64 divisors (see below), whose sum is σ = 30885120. Its totient is φ = 2975616.

The previous prime is 11287453. The next prime is 11287481. The reversal of 11287458 is 85478211.

11287458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11287453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3766 + ... + 6062.

It is an arithmetic number, because the mean of its divisors is an integer number (482580).

Almost surely, 2^11287458 is an apocalyptic number.

11287458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11287458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15442560).

11287458 is an abundant number, since it is smaller than the sum of its proper divisors (19597662).

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

11287458 is a wasteful number, since it uses less digits than its factorization.

11287458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328 (or 2322 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 11287458 is about 3359.6812348793. The cubic root of 11287458 is about 224.3186499141.

It can be divided in two parts, 1128745 and 8, that added together give a triangular number (1128753 = T₁₅₀₂).

The spelling of 11287458 in words is "eleven million, two hundred eighty-seven thousand, four hundred fifty-eight".