10987590 has 32 divisors (see below), whose sum is σ = 27016416. Its totient is φ = 2858240.

The previous prime is 10987579. The next prime is 10987601. The reversal of 10987590 is 9578901.

Added to its reverse (9578901) it gives a triangular number (20566491 = T₆₄₁₃).

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10987579) and next prime (10987601).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3237 + ... + 5696.

It is an arithmetic number, because the mean of its divisors is an integer number (844263).

Almost surely, 2^10987590 is an apocalyptic number.

10987590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10987590 is an abundant number, since it is smaller than the sum of its proper divisors (16028826).

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

10987590 is a wasteful number, since it uses less digits than its factorization.

10987590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8984.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 10987590 is about 3314.7533844918. The cubic root of 10987590 is about 222.3143424553.

Adding to 10987590 its reverse (9578901), we get a triangular number (20566491 = T₆₄₁₃).

The spelling of 10987590 in words is "ten million, nine hundred eighty-seven thousand, five hundred ninety".