11406420 has 72 divisors (see below), whose sum is σ = 35896224. Its totient is φ = 3040416.

The previous prime is 11406401. The next prime is 11406433. The reversal of 11406420 is 2460411.

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

It is a junction number, because it is equal to n+sod(n) for n = 11406393 and 11406402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3687 + ... + 6033.

Almost surely, 2^11406420 is an apocalyptic number.

11406420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11406420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17948112).

11406420 is an abundant number, since it is smaller than the sum of its proper divisors (24489804).

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

11406420 is a wasteful number, since it uses less digits than its factorization.

11406420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 11406420 is about 3377.3391893619. The cubic root of 11406420 is about 225.1039519659.

Adding to 11406420 its reverse (2460411), we get a palindrome (13866831).

The spelling of 11406420 in words is "eleven million, four hundred six thousand, four hundred twenty".