11413780 has 24 divisors (see below), whose sum is σ = 27393408. Its totient is φ = 3913248.

The previous prime is 11413777. The next prime is 11413781. The reversal of 11413780 is 8731411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11413781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40624 + ... + 40903.

It is an arithmetic number, because the mean of its divisors is an integer number (1141392).

Almost surely, 2^11413780 is an apocalyptic number.

11413780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11413780 is an abundant number, since it is smaller than the sum of its proper divisors (15979628).

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

11413780 is a wasteful number, since it uses less digits than its factorization.

11413780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81543 (or 81541 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 11413780 is about 3378.4286288155. The cubic root of 11413780 is about 225.1523577137.

The spelling of 11413780 in words is "eleven million, four hundred thirteen thousand, seven hundred eighty".