11406636 has 48 divisors (see below), whose sum is σ = 30535680. Its totient is φ = 3678480.

The previous prime is 11406623. The next prime is 11406649. The reversal of 11406636 is 63660411.

It is an interprime number because it is at equal distance from previous prime (11406623) and next prime (11406649).

It is a super-2 number, since 2×11406636² = 260222689672992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1645 + ... + 5051.

It is an arithmetic number, because the mean of its divisors is an integer number (636160).

Almost surely, 2^11406636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11406636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15267840).

11406636 is an abundant number, since it is smaller than the sum of its proper divisors (19129044).

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

11406636 is a wasteful number, since it uses less digits than its factorization.

11406636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451 (or 3443 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 11406636 is about 3377.3711670469. The cubic root of 11406636 is about 225.1053728659.

It can be divided in two parts, 1140 and 6636, that added together give a 5-th power (7776 = 6⁵).

The spelling of 11406636 in words is "eleven million, four hundred six thousand, six hundred thirty-six".