11623698 has 48 divisors (see below), whose sum is σ = 26747136. Its totient is φ = 3641760.

The previous prime is 11623691. The next prime is 11623721. The reversal of 11623698 is 89632611.

It is a super-2 number, since 2×11623698² = 270220710390408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11623691) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 20365 + ... + 20927.

It is an arithmetic number, because the mean of its divisors is an integer number (557232).

Almost surely, 2^11623698 is an apocalyptic number.

11623698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11623698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13373568).

11623698 is an abundant number, since it is smaller than the sum of its proper divisors (15123438).

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

11623698 is a wasteful number, since it uses less digits than its factorization.

11623698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 636 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 11623698 is about 3409.3544843562. The cubic root of 11623698 is about 226.5242872659.

It can be divided in two parts, 11623 and 698, that added together give a palindrome (12321).

The spelling of 11623698 in words is "eleven million, six hundred twenty-three thousand, six hundred ninety-eight".