11699142 has 48 divisors (see below), whose sum is σ = 29321712. Its totient is φ = 3084480.

The previous prime is 11699123. The next prime is 11699143. The reversal of 11699142 is 24199611.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11699143) 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, 2292 + ... + 5352.

It is an arithmetic number, because the mean of its divisors is an integer number (610869).

Almost surely, 2^11699142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11699142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14660856).

11699142 is an abundant number, since it is smaller than the sum of its proper divisors (17622570).

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

11699142 is a wasteful number, since it uses less digits than its factorization.

11699142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093 (or 3086 counting only the distinct ones).

The product of its digits is 3888, while the sum is 33.

The square root of 11699142 is about 3420.4008537012. The cubic root of 11699142 is about 227.0133185792.

It can be divided in two parts, 11 and 699142, that added together give a triangular number (699153 = T₁₁₈₂).

The spelling of 11699142 in words is "eleven million, six hundred ninety-nine thousand, one hundred forty-two".