11493880 has 16 divisors (see below), whose sum is σ = 25861320. Its totient is φ = 4597536.

The previous prime is 11493877. The next prime is 11493883. The reversal of 11493880 is 8839411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11493877) and next prime (11493883).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11493883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143634 + ... + 143713.

Almost surely, 2^11493880 is an apocalyptic number.

11493880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11493880 is an abundant number, since it is smaller than the sum of its proper divisors (14367440).

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

11493880 is a wasteful number, since it uses less digits than its factorization.

11493880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287358 (or 287354 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 11493880 is about 3390.2625267079. The cubic root of 11493880 is about 225.6778242811.

The spelling of 11493880 in words is "eleven million, four hundred ninety-three thousand, eight hundred eighty".