11513250 has 192 divisors, whose sum is σ = 38548224. Its totient is φ = 2419200.

The previous prime is 11513239. The next prime is 11513263. The reversal of 11513250 is 5231511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 267729 + ... + 267771.

It is an arithmetic number, because the mean of its divisors is an integer number (200772).

Almost surely, 2^11513250 is an apocalyptic number.

11513250 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 11513250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19274112).

11513250 is an abundant number, since it is smaller than the sum of its proper divisors (27034974).

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

11513250 is a wasteful number, since it uses less digits than its factorization.

11513250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 11513250 is about 3393.1180350822. The cubic root of 11513250 is about 225.8045272493.

Adding to 11513250 its reverse (5231511), we get a palindrome (16744761).

The spelling of 11513250 in words is "eleven million, five hundred thirteen thousand, two hundred fifty".