11699139 has 16 divisors (see below), whose sum is σ = 16156800. Its totient is φ = 7525056.

The previous prime is 11699123. The next prime is 11699143. The reversal of 11699139 is 93199611.

It is a happy number.

It is not a de Polignac number, because 11699139 - 2⁴ = 11699123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11699097 and 11699106.

It is not an unprimeable number, because it can be changed into a prime (11699119) 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 15 ways as a sum of consecutive naturals, for example, 10972 + ... + 11990.

It is an arithmetic number, because the mean of its divisors is an integer number (1009800).

Almost surely, 2^11699139 is an apocalyptic number.

11699139 is a deficient number, since it is larger than the sum of its proper divisors (4457661).

11699139 is a wasteful number, since it uses less digits than its factorization.

11699139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154.

The product of its digits is 13122, while the sum is 39.

The square root of 11699139 is about 3420.4004151561. The cubic root of 11699139 is about 227.0132991749.

The spelling of 11699139 in words is "eleven million, six hundred ninety-nine thousand, one hundred thirty-nine".