11387020 has 24 divisors (see below), whose sum is σ = 23986368. Its totient is φ = 4540800.

The previous prime is 11387003. The next prime is 11387021. The reversal of 11387020 is 2078311.

It is a super-4 number, since 4×11387020⁴ (a number of 29 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11386982 and 11387000.

It is not an unprimeable number, because it can be changed into a prime (11387021) 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, 7960 + ... + 9280.

It is an arithmetic number, because the mean of its divisors is an integer number (999432).

Almost surely, 2^11387020 is an apocalyptic number.

11387020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11387020 is an abundant number, since it is smaller than the sum of its proper divisors (12599348).

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

11387020 is a wasteful number, since it uses less digits than its factorization.

11387020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761 (or 1759 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 11387020 is about 3374.4658836622. The cubic root of 11387020 is about 224.9762608699.

The spelling of 11387020 in words is "eleven million, three hundred eighty-seven thousand, twenty".