11591950 has 12 divisors (see below), whose sum is σ = 21561120. Its totient is φ = 4636760.

The previous prime is 11591947. The next prime is 11591953. The reversal of 11591950 is 5919511.

It is an interprime number because it is at equal distance from previous prime (11591947) and next prime (11591953).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11591953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115870 + ... + 115969.

It is an arithmetic number, because the mean of its divisors is an integer number (1796760).

Almost surely, 2^11591950 is an apocalyptic number.

11591950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11591950 is a deficient number, since it is larger than the sum of its proper divisors (9969170).

11591950 is a wasteful number, since it uses less digits than its factorization.

11591950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231851 (or 231846 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 31.

The square root of 11591950 is about 3404.6952873936. The cubic root of 11591950 is about 226.3178626949.

It can be divided in two parts, 1 and 1591950, that added together give a palindrome (1591951).

The spelling of 11591950 in words is "eleven million, five hundred ninety-one thousand, nine hundred fifty".