11697408 has 54 divisors (see below), whose sum is σ = 33733154. Its totient is φ = 3898368.

The previous prime is 11697403. The next prime is 11697431. The reversal of 11697408 is 80479611.

It can be written as a sum of positive squares in only one way, i.e., 11614464 + 82944 = 3408^2 + 288^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11697403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235 + ... + 4842.

Almost surely, 2^11697408 is an apocalyptic number.

11697408 is a gapful number since it is divisible by the number (18) 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 11697408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16866577).

11697408 is an abundant number, since it is smaller than the sum of its proper divisors (22035746).

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

11697408 is an equidigital number, since it uses as much as digits as its factorization.

11697408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5099 (or 5082 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 11697408 is about 3420.1473652461. The cubic root of 11697408 is about 227.0021023565.

The spelling of 11697408 in words is "eleven million, six hundred ninety-seven thousand, four hundred eight".