11259990 has 96 divisors (see below), whose sum is σ = 34122816. Its totient is φ = 2522880.

The previous prime is 11259977. The next prime is 11259991. The reversal of 11259990 is 9995211.

11259990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11259991) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38284 + ... + 38576.

It is an arithmetic number, because the mean of its divisors is an integer number (355446).

Almost surely, 2^11259990 is an apocalyptic number.

11259990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11259990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17061408).

11259990 is an abundant number, since it is smaller than the sum of its proper divisors (22862826).

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

11259990 is a wasteful number, since it uses less digits than its factorization.

11259990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The square root of 11259990 is about 3355.5908570623. The cubic root of 11259990 is about 224.1365424956.

The spelling of 11259990 in words is "eleven million, two hundred fifty-nine thousand, nine hundred ninety".