11699040 has 48 divisors (see below), whose sum is σ = 36853488. Its totient is φ = 3119616.

The previous prime is 11698991. The next prime is 11699047. The reversal of 11699040 is 4099611.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11698989 and 11699007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11699047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11707 + ... + 12666.

It is an arithmetic number, because the mean of its divisors is an integer number (767781).

Almost surely, 2^11699040 is an apocalyptic number.

11699040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11699040 is an abundant number, since it is smaller than the sum of its proper divisors (25154448).

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

11699040 is a wasteful number, since it uses less digits than its factorization.

11699040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24391 (or 24383 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 11699040 is about 3420.3859431357. The cubic root of 11699040 is about 227.0126588321.

The spelling of 11699040 in words is "eleven million, six hundred ninety-nine thousand, forty".