11699478 has 96 divisors (see below), whose sum is σ = 31799040. Its totient is φ = 3149280.

The previous prime is 11699449. The next prime is 11699507. The reversal of 11699478 is 87499611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11699449) and next prime (11699507).

Its product of digits (108864) is a multiple of the sum of its prime factors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64548 + ... + 64728.

It is an arithmetic number, because the mean of its divisors is an integer number (331240).

Almost surely, 2^11699478 is an apocalyptic number.

11699478 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 11699478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15899520).

11699478 is an abundant number, since it is smaller than the sum of its proper divisors (20099562).

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

11699478 is a wasteful number, since it uses less digits than its factorization.

11699478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 212 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 11699478 is about 3420.4499703986. The cubic root of 11699478 is about 227.0154918367.

The spelling of 11699478 in words is "eleven million, six hundred ninety-nine thousand, four hundred seventy-eight".